BAD_META
What happened
The strategy's meta is not a fg.Meta(...), or its docstring, which is its description, is longer than 4000 characters.
What to do
Write meta = fg.Meta(title=..., short=..., tags=[...]), and keep the docstring under 4000 characters.
Example
text
strategy.py, line 8: meta must be fg.Meta(title=..., short=..., tags=[...]) [BAD_META]The wording of the message depends on your file, and the code does not. An error stops the file from loading.