Thanks for the reply Bob.
Only the one version has been installed.
I have tried a number of things including the force option. I have reinstalled the package so it is all there then uninstalled. The uninstall appears to remove some files then stalls as below:
Console
Console running...
Finding package with signature: docmanager-2.1-beta6
Package found. Preparing to uninstall.
Could not load class: modLexiconLanguage from mysql.modlexiconlanguage.
Problem instantiating object from vehicle
Could not load class: modLexiconTopic from mysql.modlexicontopic.
Problem instantiating object from vehicle
Skipping modMenu object (data object does not exist and cannot be removed): Array ( [text] => docmanager )
Skipping modAction object (data object does not exist and cannot be removed): Array ( [namespace] => docmanager [controller] => index )
Removing files in file resolver: /volume1/web/modx/assets/components/docmanager
Could not find files to remove.
Could not find files to remove.
Could not resolve vehicle for object of class modMenu; criteria: Array ( [text] => docmanager )
Removing files in file resolver: /volume1/web/modx/assets/components/docmanager
Could not find files to remove.
Removing files in file resolver: /volume1/web/modx/core/components/docmanager
Could not find files to remove.
Could not resolve vehicle for object of class modMenu; criteria: Array ( [text] => docmanager )
Skipping modNamespace object (data object does not exist and cannot be removed): Array ( [name] => docmanager )
I'm not sure what to do now as whatever I have tried to remove this package fails