alexpott → credited wendyZ → .
Sorry for the late reply. I just saw the update.
We did many upgrades and code changes since I reported this issue. Now I couldn't reproduce this warning after I revert the patch. So this might be an issue caused by our custom code. It could be our custom code populated the $tip as an array instead of a string.
You can close the issue.
Created a patch to fix this warning.
wendyZ → created an issue.
We also use "cancel_button" contrib module. The patch #3 worked for us.
Modify it to be used for version 1.6.
We also use "cancel_button" contrib module. The patch #2 worked for us.
Modify it to be used for version 1.6.
phenaproxima → credited wendyZ → .
wendyZ → created an issue.
Upload new patch file for version 8.x-3.0-alpha3