calc fatal error invalid child index

Constant crashes even after inputting one dat, impossible to save
MacBook Pro 2015
Macos 10.15.6 Catalina
As mentioned in forums, I purged library/user/application support/libreoffice several time, did not help

Hello @nicolasz,

Could you, please, edit your question (button edit below your question and rephrase ‘dat’ (data or date) and add-up the step by step process you follow that leads to the crash ?

This might help the other benevolent used to your configuration.

Kind regards, Michel