No capacity available for model gemini-3.1-pro-high on the server

Google Antigravity
1

Trajectory ID: 8d41ce51-c091-4831-979e-21ec4f0b
Error: HTTP 503 Service Unavailable
Sherlog:
TraceID: 0x196ada14b1b8
Headers: {“Alt-Svc”:[“h3=“:443”; ma=2592000,h3-29=“:443”; ma=2592000”],“Content-Length”:[“525”],“Content-Type”:[“text/event-stream”],“Date”:[“Thu, 09 Apr 2026 08:41:09 GMT”],“Server”:[“ESF”],“Server-Timing”:[“gfet4t7; dur=619”],“Vary”:[“Origin”,“X-Origin”,“Referer”],“X-Cloudaicompanion-Trace-Id”:[“196ada14b1b87a14”],“X-Content-Type-Options”:[“nosniff”],“X-Frame-Options”:[“SAMEORIGIN”],“X-Xss-Protection”:[“0”]}

{
“error”: {
“code”: 503,
“details”: [
{
“@type”: “”,
“domain”: “cloudcode-pa.googleapis.com”,
“metadata”: {
“model”: “gemini-3.1-pro-high”
},
“reason”: “MODEL_CAPACITY_EXHAUSTED”
},
{
“@type”: “”,
“retryDelay”: “50s”
}
],
“message”: “No capacity available for model gemini-3.1-pro-high on the server”,
“status”: “UNAVAILABLE”
}
}