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Samebug tips

  1. ,
    Expert tip

    Check if you imported android.support.v4.app.FragmentManager and not android.app.FragmentManager. Check for naming problems in your xml files as well, might have inconsistencies!

  2. ,
    Expert tip

    Also, check if you're not using android.support.v4.app.FragmentTransaction with android.app.Fragment, as they're not totally compatible.

Solutions on the web

via Stack Overflow by Siva K
, 1 year ago
via GitHub by mradzinski
, 2 years ago
This exception has no message.
via Stack Overflow by lindha dwi ambarwati
, 2 years ago
This exception has no message.
via Stack Overflow by Lucas Maffazioli
, 2 years ago
java.lang.NullPointerException: 	at android.support.v4.app.BackStackRecord.doAddOp(BackStackRecord.java:414)	at android.support.v4.app.BackStackRecord.replace(BackStackRecord.java:449)	at android.support.v4.app.BackStackRecord.replace(BackStackRecord.java:441)