@Tony Azar,Thanks for posting in Q&A.
From your description, I know that you have deployed LAPS policy and applied successfully but get wrong password error.
Based on my research, we suggest that you refer the link below to check if there exist related errors in Event Viewer. Location: Applications and Services Logs > Microsoft > Windows > LAPS > Operational
Please try above information. If there is any update, feel free to contact me.
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