Map is too large to be uploaded, it need to increase the maximum upload size in the printing.config.
Resolution:
Increase the maximum upload size in the Printing.exe.config
1) Stop the printing service
2) Edit %Programfiles%\Qlik\Sense\Printing\Printing.exe.config adding, under <appSettings> section, the parameter max-request-size with the new desired value (in bytes)
3) save the file
4) restart the printing service
We recommend that you use this setting in the config file (Step 2) and test: