A second attempt.
This time I wrote the output to a .txt file using the cat command.
When copying from the web browser, half of it was always missing.
I also swapped the midi channels which meant that this time notes were not played in the drumkit.
midi1.txt (7.7 KB)
midi2.txt (9.2 KB)
004-midifail2.zss (39.7 KB)
“Please, simplify the patterns to the minimum” Then the error does not occur. The problem only starts when many notes arrive…