Saving settings not working or crashing in Canvas Settings
This is a really common issue and it's caused by a bug in Canvas Theme. If you are experiencing a crash or white screen after saving your updated settings, or they are not being honoured, then its likely that following these few steps will solve your problems.
1) Navigate to Canvas > Settings
2) Select each option from the sub menu in order and press 'Save' at the bottom of each screen
3) Head over to the Pootle Plugin settings you previously had problems with and update your settings
4) Be sure to press 'Save'
After following these few steps you shouldnt need to do this again for future settings changes.