![java.lang.NullPointerException: Attempt to invoke virtual method 'int org.json.JSONArray.length()' on a null object reference - Stack Overflow java.lang.NullPointerException: Attempt to invoke virtual method 'int org.json.JSONArray.length()' on a null object reference - Stack Overflow](https://i.stack.imgur.com/slPTA.png)
java.lang.NullPointerException: Attempt to invoke virtual method 'int org.json.JSONArray.length()' on a null object reference - Stack Overflow
![android - Attempt to invoke virtual method 'java.lang.String com.dantools.OurChat.Model.User.getUsername()' on a null object reference - Stack Overflow android - Attempt to invoke virtual method 'java.lang.String com.dantools.OurChat.Model.User.getUsername()' on a null object reference - Stack Overflow](https://i.imgur.com/OS2ERhW.png)
android - Attempt to invoke virtual method 'java.lang.String com.dantools.OurChat.Model.User.getUsername()' on a null object reference - Stack Overflow
![android - Error Attempt to invoke virtual method 'boolean java.lang.String .equals(java.lang.Object) - Stack Overflow android - Error Attempt to invoke virtual method 'boolean java.lang.String .equals(java.lang.Object) - Stack Overflow](https://i.stack.imgur.com/LE9mG.png)
android - Error Attempt to invoke virtual method 'boolean java.lang.String .equals(java.lang.Object) - Stack Overflow
![android - java.lang.NullPointerException: Attempt to invoke virtual method ' java.lang.String okhttp3.ResponseBody.string()' on a null object reference - Stack Overflow android - java.lang.NullPointerException: Attempt to invoke virtual method ' java.lang.String okhttp3.ResponseBody.string()' on a null object reference - Stack Overflow](https://i.stack.imgur.com/9t0u3.png)
android - java.lang.NullPointerException: Attempt to invoke virtual method ' java.lang.String okhttp3.ResponseBody.string()' on a null object reference - Stack Overflow
java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String java.lang.Object.toString()' on a null object reference · Issue #2144 · dooboolab/react-native-iap · GitHub
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Attempt to invoke virtual method 'boolean java.lang.String.equals(java.lang.Object)' on a null object reference · Issue #18397 · facebook/react-native · GitHub
![Error in my app Attempt to invoke virtual method 'java.lang.String com.google.appinventor.components.common.FloorAmount.toUnderlyingValue() - Discuss - Kodular Community Error in my app Attempt to invoke virtual method 'java.lang.String com.google.appinventor.components.common.FloorAmount.toUnderlyingValue() - Discuss - Kodular Community](https://kodular-community.s3.dualstack.eu-west-1.amazonaws.com/optimized/3X/0/9/09da386c67742e9859a93ef7eab691276590ac60_2_1024x168.png)
Error in my app Attempt to invoke virtual method 'java.lang.String com.google.appinventor.components.common.FloorAmount.toUnderlyingValue() - Discuss - Kodular Community
![Attempt to invoke virtual method 'java.lang.CharSequence android.widget.TextView.getText()' - Stack Overflow Attempt to invoke virtual method 'java.lang.CharSequence android.widget.TextView.getText()' - Stack Overflow](https://i.stack.imgur.com/lZhKW.png)
Attempt to invoke virtual method 'java.lang.CharSequence android.widget.TextView.getText()' - Stack Overflow
![Attempt to invoke virtual method 'java.lang.String com.google.appinventor.components.common.FloorAmount.toUnderlyingValue()' on a null object referenc - Discuss - Kodular Community Attempt to invoke virtual method 'java.lang.String com.google.appinventor.components.common.FloorAmount.toUnderlyingValue()' on a null object referenc - Discuss - Kodular Community](https://kodular-community.s3.dualstack.eu-west-1.amazonaws.com/original/3X/d/2/d2a32d62e6780b86d1c6714cf07838b46183cdc3.jpeg)
Attempt to invoke virtual method 'java.lang.String com.google.appinventor.components.common.FloorAmount.toUnderlyingValue()' on a null object referenc - Discuss - Kodular Community
Runtime Error Error from Companion: Attempt to invoke virtual method 'java. lang.String java.lang.String.toLowerCase()' on a null object reference Dismiss - Bugs and Other Issues - MIT App Inventor Community
![Runtime Error "Attempt to invoke virtual method " java.lang.Stringjava.lang.Throwable.toString()' " - Discuss - Kodular Community Runtime Error "Attempt to invoke virtual method " java.lang.Stringjava.lang.Throwable.toString()' " - Discuss - Kodular Community](https://kodular-community.s3.dualstack.eu-west-1.amazonaws.com/original/3X/9/d/9d53d8f9878fc8370a3f43de2f619ebc51a32c15.jpeg)
Runtime Error "Attempt to invoke virtual method " java.lang.Stringjava.lang.Throwable.toString()' " - Discuss - Kodular Community
![Attempt to invoke virtual method 'java.lang.String com.google.appinventor.components.common.FloorAmount.toUnderlyingValue()' - Ad Manager - Kodular Community Attempt to invoke virtual method 'java.lang.String com.google.appinventor.components.common.FloorAmount.toUnderlyingValue()' - Ad Manager - Kodular Community](https://kodular-community.s3.dualstack.eu-west-1.amazonaws.com/original/3X/9/3/93e21ea8f9b157b4c679cf0def3ca6c6c95e8d20.png)
Attempt to invoke virtual method 'java.lang.String com.google.appinventor.components.common.FloorAmount.toUnderlyingValue()' - Ad Manager - Kodular Community
![android - Attempt to invoke virtual method 'java.lang.String com.register.register.file.User.getName()' on a null object reference - Stack Overflow android - Attempt to invoke virtual method 'java.lang.String com.register.register.file.User.getName()' on a null object reference - Stack Overflow](https://i.stack.imgur.com/KPnyv.jpg)
android - Attempt to invoke virtual method 'java.lang.String com.register.register.file.User.getName()' on a null object reference - Stack Overflow
![Attempt to invoke virtual method 'int java.lang.String.hashCode()' on a null object reference · Issue #1784 · expo/expo · GitHub Attempt to invoke virtual method 'int java.lang.String.hashCode()' on a null object reference · Issue #1784 · expo/expo · GitHub](https://user-images.githubusercontent.com/22855727/40415022-7837bbb4-5e97-11e8-8a3f-560aac721275.jpeg)
Attempt to invoke virtual method 'int java.lang.String.hashCode()' on a null object reference · Issue #1784 · expo/expo · GitHub
![Runtime Error Attempt to Invoke virtual method java.ang.String java.lang.Throwable.tostring@'on a null object refenence - Discuss - Kodular Community Runtime Error Attempt to Invoke virtual method java.ang.String java.lang.Throwable.tostring@'on a null object refenence - Discuss - Kodular Community](https://kodular-community.s3.dualstack.eu-west-1.amazonaws.com/original/3X/1/1/11376445021745f0047968866962f2b50c1f0ff4.jpeg)
Runtime Error Attempt to Invoke virtual method java.ang.String java.lang.Throwable.tostring@'on a null object refenence - Discuss - Kodular Community
![Error on Android Device: java.lang.NullPointerException: Attempt to invoke virtual method 'byte[] java.lang.String.getBytes(java.nio.charset.Charset)' on a null object reference · Issue #18 · zaguiini/react-native-pure-jwt · GitHub Error on Android Device: java.lang.NullPointerException: Attempt to invoke virtual method 'byte[] java.lang.String.getBytes(java.nio.charset.Charset)' on a null object reference · Issue #18 · zaguiini/react-native-pure-jwt · GitHub](https://user-images.githubusercontent.com/5173630/67379992-457d3100-f5bc-11e9-849c-fc4ca6d7ae4a.png)
Error on Android Device: java.lang.NullPointerException: Attempt to invoke virtual method 'byte[] java.lang.String.getBytes(java.nio.charset.Charset)' on a null object reference · Issue #18 · zaguiini/react-native-pure-jwt · GitHub
![java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang. String android.net.Uri.getScheme()' on a null object reference` launching app when it's on background · Issue #3656 · status-im/status-mobile · GitHub java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang. String android.net.Uri.getScheme()' on a null object reference` launching app when it's on background · Issue #3656 · status-im/status-mobile · GitHub](https://user-images.githubusercontent.com/29711298/37776724-9e96ab00-2dee-11e8-88be-c702836f20a7.jpg)
java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang. String android.net.Uri.getScheme()' on a null object reference` launching app when it's on background · Issue #3656 · status-im/status-mobile · GitHub
![capacitor - Attempt to invoke virtual method 'java.lang.String com.google.android.gms.auth.api.credentials.Credential.getId()' on a null object reference - Stack Overflow capacitor - Attempt to invoke virtual method 'java.lang.String com.google.android.gms.auth.api.credentials.Credential.getId()' on a null object reference - Stack Overflow](https://i.stack.imgur.com/y7YqU.png)
capacitor - Attempt to invoke virtual method 'java.lang.String com.google.android.gms.auth.api.credentials.Credential.getId()' on a null object reference - Stack Overflow
![java.lang.NullPointerException: Attempt to invoke virtual method 'void com.backendless.BackendlessUser.setPassword(java.lang.String)' on a null object reference - Android - Backendless Support java.lang.NullPointerException: Attempt to invoke virtual method 'void com.backendless.BackendlessUser.setPassword(java.lang.String)' on a null object reference - Android - Backendless Support](https://support.backendless.com/uploads/default/optimized/2X/7/76dc6583fce95a198de9bbe9afcf33f130e6d6f3_2_1024x764.png)
java.lang.NullPointerException: Attempt to invoke virtual method 'void com.backendless.BackendlessUser.setPassword(java.lang.String)' on a null object reference - Android - Backendless Support
![php - attempt to invoke interface method java.lang.string com.facebook.react.bridge.readablemap.get string on a null object reference - Stack Overflow php - attempt to invoke interface method java.lang.string com.facebook.react.bridge.readablemap.get string on a null object reference - Stack Overflow](https://i.stack.imgur.com/RXlGa.png)
php - attempt to invoke interface method java.lang.string com.facebook.react.bridge.readablemap.get string on a null object reference - Stack Overflow
![Runtime Error Attempt to invoke virtual method 'java.lang.String com.google.appinventor.components.co mmon.FloorAmount.toUnderlyingValue()' on a null - Discuss - Kodular Community Runtime Error Attempt to invoke virtual method 'java.lang.String com.google.appinventor.components.co mmon.FloorAmount.toUnderlyingValue()' on a null - Discuss - Kodular Community](https://kodular-community.s3.dualstack.eu-west-1.amazonaws.com/original/3X/e/e/ee60fccbd720f502bd83bd96e3606d3e64675062.jpeg)
Runtime Error Attempt to invoke virtual method 'java.lang.String com.google.appinventor.components.co mmon.FloorAmount.toUnderlyingValue()' on a null - Discuss - Kodular Community
![runtime error - Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'boolean java.lang.String.isEmpty()' on a null object reference - Stack Overflow runtime error - Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'boolean java.lang.String.isEmpty()' on a null object reference - Stack Overflow](https://i.stack.imgur.com/sOePb.png)