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First-Aid Kit

This section contains the most common issues that you might face when developing OpenUI5 apps and how to solve them.

• [An Empty Page Comes Up](an-empty-page-comes-up-51fe8f4.md “”)

• [Content or Control Is Not Visible](content-or-control-is-not-visible-82b4c21.md “”)

• Request Fails Due to Same-Origin Policy (Cross-Origin Resource Sharing - CORS)

• [App or Control Looks Odd](app-or-control-looks-odd-ae1e152.md “”)

Parent topic:Troubleshooting Tutorial

Next:Step 5: UI5 Inspector

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