Internal server error - Cannot edit pages with metadata set

Environment

Version: 4.32.0
Environment: Production
Database: mysql (MariaDB 10.4)
Mail: SMTP

GUI Error Message

Internal server error, cannot edit page. Unable to update nested relation. [object Object]

Docker Logs Error Message

[2022-01-03 12:24:56] ERROR “PUT /ghost/api/canary/admin/pages/60264c84bda467000125a24a/” 500 119ms
Unable to update nested relation.
{“key”:“posts_meta”,“tableName”:“posts”,“method”:“setHasOne”}
Error ID:
2906e190-6c90-11ec-8030-a7ff1d07a2c6
Error Code:
UPDATE_RELATION

BookshelfRelationsError: Unable to update nested relation.

Description

In general updating and creating pages is possible as long as the page has no metadata fields modified and you are not modifing them currently.
When there is metadata set, no modifiation is possilbe anymore.

Please advice how to proceed.

Thanks a lot,

Markus