Timestamp filters blocking eachother

Hi,
I have two filters to change the timestamp of pictures, both in my list after another.

I have two pictures in my files list (and some others):
IMG-20190301-WA0002.jpg
threema-20210628-230543822.jpg

And my both timestamp rules are:

IMG-<Year><Month><Day>-WA

threema-<Year><Month><Day>-<Hour><Min><Sec>

Both rules alone work (I want to adjust the create time).
If I activate both, the filelist gets red, and nothing works.

The Timestamp method will fail if the Filename Pattern is not matched.
So if you activate both methods in the same batch, the first method will correctly change the created date of the first file but throw an error for the second. The second method will then fail to match the first filename and so throw an error.

The workaround is to run the two methods in separate passes. Skip erroneous files and re-add files with errors in the first pass.

Alternatively, if you do not need the creation time then you can set the creation date only for both filename structures in the same method using the pattern <Year><Month><Day>

You can then set the creation time to zero by adding a Timestamp method with the Absolute date and time option, leaving Day, Month & Year blank and setting Hour, Min & Sect to zero.

Finally, a word of warning: Windows Date Created refers to the date and time that a particular copy of the file has been created so is likely to be reset if you copy a file. In general Date Modified is a more robust timestamp.