@Omini yes, I just tried this way too, it still seems to cut-off at 1,000,000 bytes, so it wasn't related to breaking due to content etc, it still seems to be a data length / quota memory problem
There is A Bug With Subtract Date
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Using Windows 10 on Latest Bablosoft Version 24.2.2
Subtract date issue when using different Dates See Screenshot/XML file

Date Time Bugs.xml -
I have the same problem with "Subtract Dates" action.