Situation
I had several forms created in the old version, I don’t know if when updating a form or when updating the version, but I have the following problem, when I try to select the list in the form editor, I get this message:
undefined
URL: undefined
Line: undefined Column: undefined
Error object: undefined
DataTables warning: table id=my_data_table - Requested unknown parameter ‘2’ for row 0, column 2. For more information about this error, please see 4. Warning: Requested unknown parameter
OpenEMR Version
I’m using OpenEMR version 7.0.1 (1)
Browser:
I’m using: Firefox
Operating System
I’m using: Linux
Search
Did you search the forum for similar questions?, Yes, but i dont find anything 
Logs
Did you check the logs?
Was there anything pertinent in them?
Please paste them here (surround with three backticks (```) for readability.
You can also turn on User Debugging under Administration->Globals->Logging User Debugging Options=>All