How to recover pics from Gallery Lock if an error occurs while opening?
If you have problems with the application, the developer provides a few tools to recover the files. The whole process requires a reinstall operation, but follow the procedure below first:
Download the application: https://play.google.com/store/apps/details?id=com.morrison.gallerylocklite&hl=en
If you did not back them up before, you can try data recovery tool,
or you can follow these detailed guides,
recover android photos.
recover android files.