visual studio - SharePoint 2013 App Deploy Error: "A different version of this App is already installed with the same version number" -


i have developed simple provider-hosted app deploying our sharepoint online developer site.

testing going fine, , had deployed several times site, before received error in visual studio 2012 after hit f5:

error occurred in deployment step 'install app sharepoint': different version of app installed same version number. need delete app site , site recycle bin install version.

the thing is, had deleted / removed app developer site , recycle bin right before received error.

not sure if relevant: 1 of changes made program give app write permissions web scope via appmanifest.xml file.

i'm not finding exact error on google search results, thought i'd first post here.

any / ideas? i'm new developing sp13.

thanks in advance

first off welcome world of sharepoint dev. sharepoint can quite painful holding onto things, solution in case easy - anytime make change appmanifest increment version number. done on general tab of appmanifest, or if you're directly editing xml should third item in app tag.

appmanifest.xml

changing 1.0.0.1 should fix problem straight away, habit when deploying app manually (not hitting f5) able update old version of app instead of having remove it.


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