403 error half the time

This error occurs when I try to call gemini API, but it only happens half the time which makes it harder to find what is wrong
“403 Fail to execute model for flow_id: gemini-1.5-flash-002-flow…
Error: Internal error reading from GCS, broken stream. PERMISSION_DENIED: servomatic-model-server-tpu-prod-jobs@prod.google.com does not have storage.objects.get access to the Google Cloud Storage object. Permission ‘storage.objects.get’ denied on resource (or it may not exist). servomatic-model-server-tpu-prod-jobs@prod.google.com does not have storage.objects.get access to the Google Cloud Storage object. Permission ‘storage.objects.get’ denied on resource (or it may not exist).; [monitoring=main-model,model=/ml/cloud-llm-api-servo-model-owner/gemini_1_5_flash_002_32k,target=CloudLargeModels_LanguageModels_servo_fos_llm_tpu_continent]; Error raised from operator generate_multi_modal; stmt:5 at g12#0”,


This seems to be an issue on the gemini server side