ASMMAI146E Non-ASCII character in text field; changes discarded from `txt1`

Explanation
The ASCII option is ON, so that the text field uses an ASCII data
interpretation.
An attempt was made to modify one or more text field characters to
values which are not valid ASCII characters.
Any modifications of the text field data have been discarded.

User response
Retry using valid ASCII characters, or modify the storage
location by typeover of the hexadecimal portion of the DUMP
data display

ASMMAI146E Non-ASCII character in text field; changes discarded from txt1

Explanation

User response

ASMMAI146E Non-ASCII character in text field; changes discarded from `txt1`