Thanks [~jacques.le.roux]. I am looking into this.
> You cannot edit an image in content
> -----------------------------------
>
> Key: OFBIZ-7000
> URL:
https://issues.apache.org/jira/browse/OFBIZ-7000> Project: OFBiz
> Issue Type: Bug
> Components: content
> Affects Versions: Release Branch 12.04, Release Branch 13.07, Release Branch 14.12, Trunk, Release Branch 15.12
> Reporter: Jacques Le Roux
> Assignee: Jacques Le Roux
> Priority: Minor
> Attachments: OFBIZ-7000.patch
>
>
> If you get to
> {code}
> content/control/EditLayout?drDataResourceId=NOCONTENTFOUND&contentId=NOCONTENTFOUND
> {code}
> When trying to editing you get an error
> {code}
> 2016-04-11 10:48:42,932 |http-bio-8443-exec-9 |ScreenFactory |I| Got 9 screens in 0.004s from: file:/C:/projectASF-Mars/ofbiz/applications/content/widget/layout/LayoutScreens.xml
> 2016-04-11 10:48:43,051 |http-bio-8443-exec-9 |ScriptUtil |W| Error running script at location [component://content/webapp/content/WEB-INF/actions/layout/EditSubContent.groovy]: org.ofbiz.b
> ase.util.GeneralException: The desired mime-type is not a text type, cannot render as text: image/png
> org.ofbiz.base.util.GeneralException: The desired mime-type is not a text type, cannot render as text: image/png
> at org.ofbiz.content.data.DataResourceWorker.renderDataResourceAsText(DataResourceWorker.java:624) ~[ofbiz-content.jar:?]
> at org.ofbiz.content.data.DataResourceWorker.renderDataResourceAsText(DataResourceWorker.java:603) ~[ofbiz-content.jar:?]
> at org.ofbiz.content.data.DataResourceWorker$renderDataResourceAsText.call(Unknown Source) ~[?:?]
> at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:48) ~[groovy-all-2.4.5.jar:2.4.5]
> at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:113) ~[groovy-all-2.4.5.jar:2.4.5]
> at EditSubContent.run(EditSubContent.groovy:50) ~[?:?]
> {code}