We are sorry to hear about your experience with your Samsung Galaxy A52s 5G having issues updating the Bixby modes and routines despite the fact that there is an available update. Then, upon clicking the update, it returns with an error that the content is not yet available in the Galaxy Store. It seems that there's a bug, and we apologize for the inconvenience.
If that doesn't fix the problem, you may submit an error report through the Samsung Members app as follows:
Step 1. Long press Samsung Members icon on Apps screen and tap Error reports.
Step 2. Tap OK on agreement popup to send system log data.
Step 3. Select Symptom category "Application".
Step 4. Describe the problem in details and SEND.
How to submit an error report on Samsung Members app? | Samsung PH
For more assistance and guidance, you may contact us via our online Samsung Customer Care support channels below.