Issue: Header color change in Deploy version: 10.3.6 causes an error

Issue

When trying to change the header color for the Deploy server you may end with the following error:

2022-04-10 17:18:10.551 [qtp1858084797-22451] {username=fe2ok5} ERROR c.x.d.c.r.m.UnhandledException
   Mapper - Unhandled Exception: {} 
java.lang.NullPointerException: null 
at scala.collection.StringOps$.nonEmpty$extension(StringOps.scala:1170) 
at com.xebialabs.deployit.core.util.GeneralSettingsUtils$.validateLogoFile(GeneralSettingsUtils.
   scala:16) 
at com.xebialabs.deployit.core.util.GeneralSettingsUtils$.validate(GeneralSettingsUtils.scala:12) 
........

Cause

This is because the logo file is missing in the settings.

Workaround/Resolution Action

Whenever you see this please try to upload the logo file and see if you can bypass the issue.