In most cases, this error message will show further information such as “ Must be non-negative and less than the size of the collection” and “ Master files must load before other plugins”. Nexus Mod Manager Error often occurs when you try to install the mod for some certain games such as Dark Souls, Fallout and so on. However, many users encounter some certain errors like the Nexus Mod Manager error. It is a free and open software that enables you to download, tweak and save your games.
When it comes to manage your games on PC, you may want to use Nexus Mod Manager. Possible Causes for “Nexus Mod Manager A Problem Occurred During Install
Disable Your Antivirus Programs Temporarily Use a Different Partition or a Second Hard Drive Create Sufficient Free Space on Your Hard Drive Possible Causes for “Nexus Mod Manager A Problem Occurred During Install.