I had a similar problem. The import from one of your financial institutions is likely the cause. I had to remove one of my larger financial institution imports ...
You should get your engineering and QA teams to more thoroughly test the imports and validate data integrity from financial providers such as Merrill and others...
I found the problem on my own. The import from Merrill Lynch has something that corrupts your files. Once I removed it and entered the data by hand I could succ...
Spent hours with support. eFile is failing from MacOS. Latest version Monterey and back to Catalina.Also, the workaround offered by support is to print and mail...