SSIS Data Flow Task hangs on excecution of Pre-excecute phase

Question

I have a Data Flow Task that is hanging on excecution.
The flow is simple, makes two queries to different tables (Both with a couple of joins), then sorts and merges th

Answer 1

We already had our Delayed Validations set to True and couldnt/didnt want to change it to a SQL statement.
I came across ValidateExternalMetadata in the dataflows which I changed to False and that seem to work like a champ.

I checked OP's steps and he mentions they did that in Step 5