Http status 500 internal server error_ downloading charts

Dear All, I am getting this error when i try to download pdf / image of a visualisation chart. I am getting HTTP STATUS 500 INTERNAL SERVER ERROR on DHIS2
version 2.33.6
build: 54458fd

Dear @Lombe,

This was a bug that has been fixed in 2.33.7 so please upgrade to this recent patch version.

All the best,
Karoline