"ERR: Transient text cannot be serialized" after converting to 4.8

"ERR: Transient text cannot be serialized" after converting to 4.8. Many users are seeing them in the logs.

Example Project:
[Link Removed]

1. Download the Example project (which was converted from 4.7.6 to 4.8.1)
2. Launch in game mode with logging enabled
3. Observe the logs

Result: You will see "ERR: Transient text cannot be serialized" in the logs

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