Submitform Error "cannot Read Property 'data' Of Undefined"

Just started seeing this error. It's a simple form submit from a menu using a targed form for the save.

Has anyone else seen this or know of a solution. Appears to be off in the cm-submit code....

Menu button for saving of a targeted form is:


And the corresponding form definition is:

And the error stack is:
Uncaught TypeError: Cannot read property 'data' of undefined
at Function.submitForm (scripts-ac2e9f0be33f5390cb8d7e9014e82cae1601677256.js:formatted:10112)
at Function.dispatchEvent (scripts-ac2e9f0be33f5390cb8d7e9014e82cae1601677256.js:formatted:9258)
at HTMLDocument. (scripts-ac2e9f0be33f5390cb8d7e9014e82cae1601677256.js:formatted:9563)
at HTMLDocument.dispatch (scripts-ac2e9f0be33f5390cb8d7e9014e82cae1601677256.js:formatted:2028)
at HTMLDocument.v.handle (scripts-ac2e9f0be33f5390cb8d7e9014e82cae1601677256.js:formatted:1960)

Any updates?