… add > output.txt to your commandline to catch a log.
X:\UnrealEngine\Engine\Binaries\Win64>UnrealEditor.exe -run=WorldPartitionConvertCommandlet F:\ue5_playground\Content\Maps\chaosvehicleMap.umap -AllowCommandletRendering > r:\output.txt
getting same errors no matter what i use for “mapname”,
try without “-AllowCommandletRendering” option, outputs a different error.
(tried both, converting 4.26 original map and 5.01ea migrated level)