I have a workbench that runs fine from the desktop but fails with lots of 'BADNEWS' messages (over 3500) before it crashes with the following statusMessage

FME Engine encountered an issue and will need to be restarted. 0] string too long 1] auto __thiscall STFDynamicFactory::process::<lambda_afd8337cf6d9dd4ee4340623b50e5675>::operator ()(void) const(c:\\code\\fme\\foundation\\pluginbuilder\\pluginbuilder_cpp\\dynafact.cpp:460) 2] auto __thiscall STFDynamicFactory::process::<lambda_afd8337cf6d9dd4ee4340623b50e5675>::operator ()(void) const(c:\\code\\fme\\foundation\\pluginbuilder\\pluginbuilder_cpp\\dynafact.cpp:460)

The workbench, attached, basically takes some input layers and creates a lot of reports.

Does anyone know why this might be occurring?