@Yohan_khan00  did you check below - on web layer if wedsdk or analytics script called twice - on web layer or launch action if send event triggered twice 

@Adobe_WanKenobi    For the above , is  it not possible to have query for account where customer has multiple accounts., may be you to rewrite you have XDM Schema / revist ERD data model to ensure data has been ingested as you expecting - if not revisit ERD+ Schema else have query for a identityMap ...

@Adobe_WanKenobi  if account is available, then ,is not possible to create an audience for an specific account and export to destination ?

@ccg1706 yes using HTTP module of workfront and AEP APIs  https://experienceleague.adobe.com/en/docs/workfront-fusion/using/references/apps-and-their-modules/universal-connectors/http-module-make-a-request https://developer.adobe.com/experience-platform-apis/ 

@DhanA2  CJA is built on top of the AEP data source. It seems that if you have access to CJA, your org should have AEP as well, but you might not have access to the AEP sandbox—can you check that? Yes AEP license is required as AEP API needs authentication which will be validated against your AEP sa...

@Harveer_SinghGi1 suggest using FPID , as it is severe based have longer days of persistence over others and is first-party domainalso, third-party cookies support is going away soon , third-party cookies can break the experience if third-party cookies are disabled at client's browser for which u ha...

@arpan-garg - get your app version in mobile app code and send it via send event as part of the payload below might be useful https://experienceleague.adobe.com/en/docs/platform-learn/implement-mobile-sdk/app-implementation/events  

@CerenFi  Retention depends on the destination , Edge did not retain any data refer below links for retention and block IP address option via AEP   https://experienceleague.adobe.com/en/docs/experience-platform/profile/event-expirations https://experienceleague.adobe.com/en/docs/experience-platform/...

@Harveer_SinghGi1 it seems to be a internal , configuration call to check the Edge config prior to loading/launch of any script.in your case getting 204 this could be due to a null response which might be due to incomplete or zero config on the edge network- can you post a response here 

@MichaelJo13  yeah it is best practice to data layer ready before loading web SDK