# LinkedIn CAPI - FAQ

## Frequently Asked Questions <a href="#installlinkedincapiwithjentis-frequentlyaskedquestions" id="installlinkedincapiwithjentis-frequentlyaskedquestions"></a>

#### The LinkedIn CAPI Response include the following error message:”Conversion Urn supplied does not exist, indices \[0] (0-indexed)”. <a href="#installlinkedincapiwithjentis-thelinkedincapiresponseincludethefollowingerrormessage-conversionurnsu" id="installlinkedincapiwithjentis-thelinkedincapiresponseincludethefollowingerrormessage-conversionurnsu"></a>

This indicates that the wrong CONVERSION ID has been added to the conversion tag. In the instructions above, we demonstrate how to identify the correct conversion ID from the URL. Based on the example in the screenshot, the correct conversion ID would be: `17444849`. The issue arises when customers mistakenly use the first number visible in the URL: `511471208`, which is actually the LinkedIn ID.

<figure><img src="/files/VjSiAOLTsitch96OwJH1" alt=""><figcaption></figcaption></figure>

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