Homepage › Forums › How-to and troubleshooting › Error during authentication – message: Cannot convert null to ‘int’ This topic has 0 replies, 1 voice, and was last updated 4 years, 12 months ago by BustR75. Viewing 1 post (of 1 total) Author Posts 2020-02-16 at 05:01 #14101 BustR75Participant Error during authentication – message: Cannot convert null to ‘int’ because it is a non-nullable value type how do i fix this I am at the latest version (5.2.0.0) Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In