It keeps happening to me today very frequently.
Tell if i can enable some log, or look into a log that could help you.

Last time it happened was when i removed the line with the character, replaced
it with the correct bracket, saved the file. Then switched the window to run the
script. When i came back to PSPad the line was replaced with the character
Btw. its not just a character, then line has more than 500B.

PSPad freeware editor

Odpovedet emailem