verifyMatch fails on two identical strings

Hello,
I keep getting a very strange error message in Katalon Studio :

2021-10-28 14:35:51.566 ERROR c.k.katalon.core.main.TestCaseExecutor - :x: Test Cases/TC07_NRT_Stock/Distributor/Desktop 1 se sv FAILED.
Reason:
com.kms.katalon.core.exception.StepFailedException: Actual text ‘Artikelnummer’ and expected text ‘Artikelnummer’ are not matched

It seems to me the two strings are pretty much matched. What am I doing wrong ?
Thanks

seems that in 1st string there are some characters that are not corresponding (UTF vs 1252 Latin)
this was error when i try to past 1st string to ultraedit
2021-10-28_15-01-18
try to examine that string in some advanced editor

thank you. I’ll let the writer of the error message know that their message is not in Unicode.