The error 500: Java.lang.nullpointerexception is an error that is faced by some developers when executing their code. Moreover, end-users also encounter ...

[ERROR] 2020-08-22 15:15:40,491 - (AbstractDocumentationPluginsBootstrapper.java:98) - Unable to scan documentation context default java.lang.NullPointerException: null ...

I don't know if this was fix or not but i ran into the same problem for some images like they describe it here (https://forum.image.sc/t/ij-io-open-raises-java-lang ...