Exception thrown for panel with long string

Hello.

I just managed to send Grasshopper into Exception mode. I am collecting lots of data, using TextJoin to combine them as strings with a comma as seperator and want to write that to a file.

Once I connect a panel to the output Grasshopper goes into ultra-crazy mode, with the red background, also once got the blood dripping down from the panel - nice touch. On the second attempt it just throws an exception though, which actually can't be closed and I had to force quit rhino. See images.

The data I am connecting is quite long, there are 22,806 items of 2 or 3 digit numbers combined with the comma seperator, so about 80,000 characters in one string. Is that too long for a panel to display? I don't know why it would have such a limitation.

Thanks for more info, Armin.