SAP Web IDE Personal Edition “Unhandled Error” SOLVED

After adding a new UI5 version to your SAP Web IDE, you may get the following error:

Unhandled Error: undefined is not a valid argument for URI

I have solved this problem by deleting my previous projects. Steps on a Mac:

  • Stop Web Ide
  • Go to /Applications/eclipse/web-ide (or wherever you installed the Web Ide)
  • Right-click “” and select “Show Contents”
  • Go to Contents – MacOS – serverworkspace – ke – kerem (the name may differ for you)
  • Delete this folder completely
  • Restart Web Ide

You will obviously lose your projects, so you may want to Export – Delete – Re-Import them.








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