Can anyone help me, why I'm getting this error?

[Narek Khachatryan]

Request ------- Method Name: /google.ads.googleads.v13.services.GoogleAdsService/Mutate Host: Headers: { "x-goog-api-client": "gl-dotnet/6.0.0 gapic/15.0.0 gax/4.3.0 grpc/2.51.0 gccl/2.1.0 pb/3.22.1", "developer-token": "REDACTED", "login-customer-id": "8584384117", "x-goog-request-params": "customer_id=8584384117" } { "customerId": "8584384117", "mutateOperations": [ { "campaignAssetOperation": { "remove": "customers/8584384117/campaignAssets/14510315706~49410628625~CALL" } } ] } Response -------- Headers: { "request-id": "EJSDu9ZAdPkhU9GHgjBIUA", "date": "Fri, 08 Dec 2023 17:21:40 GMT", "alt-svc": "h3=\":443\"; ma=2592000,h3-29=\":443\"; ma=2592000", "google.ads.googleads.v13.errors.googleadsfailure-bin": "Cm4KAjgJEjNNdXRhdGVzIGFyZSBub3QgYWxsb3dlZCBmb3IgdGhlIHJlcXVlc3RlZCByZXNvdXJjZS4iMxIVChFtdXRhdGVfb3BlcmF0aW9ucxgAEhoKGGNhbXBhaWduX2Fzc2V0X29wZXJhdGlvbhIWRUpTRHU5WkFkUGtoVTlHSGdqQklVQQ==", "grpc-status-details-bin": "CAMSJVJlcXVlc3QgY29udGFpbnMgYW4gaW52YWxpZCBhcmd1bWVudC4a0QEKRHR5cGUuZ29vZ2xlYXBpcy5jb20vZ29vZ2xlLmFkcy5nb29nbGVhZHMudjEzLmVycm9ycy5Hb29nbGVBZHNGYWlsdXJlEogBCm4KAjgJEjNNdXRhdGVzIGFyZSBub3QgYWxsb3dlZCBmb3IgdGhlIHJlcXVlc3RlZCByZXNvdXJjZS4iMxIVChFtdXRhdGVfb3BlcmF0aW9ucxgAEhoKGGNhbXBhaWduX2Fzc2V0X29wZXJhdGlvbhIWRUpTRHU5WkFkUGtoVTlHSGdqQklVQQ==" } Fault: { "StatusCode": 3, "Details": "Request contains an invalid argument.", "RequestId": "EJSDu9ZAdPkhU9GHgjBIUA", "Failure": { "errors": [ { "errorCode": { "mutateError": "MUTATE_NOT_ALLOWED" }, "message": "Mutates are not allowed for the requested resource.", "location": { "fieldPathElements": [ { "fieldName": "mutate_operations", "index": 0 }, { "fieldName": "campaign_asset_operation" } ] } } ], "requestId": "EJSDu9ZAdPkhU9GHgjBIUA" } }