3148626 - Error deleting IAS application: 409 Conflict

When deleting "Custom IAS tenant" from the Trust Configuration of a Cloud Foundry(CF) subaccount, it can't be deleted. There is following error throw out:
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We are sorry, but we have encountered an internal error. If the problem persists, please create a support ticket.
[409] \{"error":"Error deleting IAS application: 409 Conflict: \"\{\"error\":\"Error deleting trust: Zone <subaccount ID> should only contain application 'XSUAA_<subaccount ID>'. Please remove all others first.\",\"uri\":\"/trust/<xxx>/<xxx>.accounts.ondemand.com/<xxx>/<subaccount ID>\"}\""}
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Another symptom can be when the customer tries to re-activate the custom IAS tenant, an error pop up with "Error while updating IAS tenant: 409 Conflict".

• SAP Business Technology Platform, Cloud Foundry environment
• SAP Cloud Identity Services

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