[Rocket]

ошибка была тут:

....
<CommandDefinitions>
<CommandDefinition Id="Cmd_Action_inworkstatus">
<EnableRules>
<EnableRule Id="Mscrm.AddExistingCustomRule" />
</EnableRules>
<DisplayRules />
<Actions>
<JavaScriptFunction Library="$webresource:new_rkk" FunctionName="inworkstatus" />
</Actions>
</CommandDefinition>
...
<RuleDefinitions>
<TabDisplayRules />
<DisplayRules />
<EnableRules>
<EnableRule Id="Mscrm.AddExistingCustomRule">
<CustomRule Default="false" FunctionName="ExistingWorkSatus" Library="$webresource:new_rkk.js"></CustomRule>
</EnableRule>
</EnableRules>
</RuleDefinitions>
<LocLabels />
</RibbonDiffXml>


необходимо было указать без .js : Library="$webresource:new_rkk"

ошибку определил по логам trace