Thank you very much for your help with this! I wouldn't have been able to resolve it myself. I've updated the rest of the custom event tracking-related GTM tags and the solution works well. I've attached a screenshot of one of the tags, as this might help someone. 

Thank you for sharing your thoughts on this @Ankit_Chaudhary . Yes, myS and tl() are used in the AA related custom variable and tags.The confusing part is that no changes were made to the AA setup, the issue appeared all of a sudden. I'll read up about this, will try to implement it and will let you...

Thank you for looking into this @Jennifer_Dungan - Yes, Launch is something we plan to implement in the future when we have the budget for it. Thank you for offering to jump on a call, I've just messaged you directly

Hello, we use GTM to deploy the AA tracking script and to tag event tracking. On May 21st all custom events (and custom parameters) stopped being collected in AA, however pageviews are still tracked. Unfortunately the tech support team couldn't help with resolving this issue because we use GTM to de...

Hello @EstebanBustamante  - could you please share a link to the discussion in the Analytics community? I couldn't find it. I've got a similar issue. On May 21st all custom events (and custom parameters) stopped being collected. Unfortunately the tech support team couldn't help with resolving this i...

Hello Brian, many thanks for sharing this. Do you happen to know if the issue was resolved with the recent releases? I've checked the most resent one on June 7, however I couldn't find any info related to it  https://experienceleague.adobe.com/en/docs/experience-manager-cloud-service/content/release...

Thanks for sharing this! It works without issues