Bug Report: Antigravity "Invalid project resource name projects/" - HTTP 400 Bad Request

Google Antigravity
1

Description: I am encountering a persistent error when using Antigravity. Even after re-logging and clearing cache, the issue remains. It appears that the backend is failing to assign a valid Project ID, returning “projects/” instead.

Error Details:

  • Error Message: Invalid project resource name projects/

  • Status: INVALID_ARGUMENT (HTTP 400)

  • TraceID: 0x67d6db80ab4…

  • Trajectory ID: 14c5d787-5ddd-4cbd-bf9c-c19bee…

Troubleshooting performed:

  • Cleared local configuration and cache.

  • Re-authenticated with Google Account.

  • Revoked and re-granted App permissions.

This seems to be a widespread backend synchronization issue. Please investigate why my account is not being assigned a valid project resource name.

2

Trajectory ID: 14c5d787-5ddd-4cbd-bf9c-c19bee…
Error: HTTP 400 Bad Request
Sherlog:
TraceID: 0xb933831f0b…
Headers: {“Alt-Svc”:[“h3=“:443”; ma=2592000,h3-29=“:443”; ma=2592000”],“Content-Length”:[“382”],“Content-Type”:[“text/event-stream”],“Date”:[“Fri, 06 Mar 2026 07:26:41 GMT”],“Server”:[“ESF”],“Server-Timing”:[“gfet4t7; dur=531”],“Vary”:[“Origin”,“X-Origin”,“Referer”],“X-Cloudaicompanion-Trace-Id”:[“b933831f0bcb6b”],“X-Content-Type-Options”:[“nosniff”],“X-Frame-Options”:[“SAMEORIGIN”],“X-Xss-Protection”:[“0”]}

{
“error”: {
“code”: 400,
“details”: [
{
“@type”: “type.googleapis.com/google.rpc.BadRequest”,
“fieldViolations”: [
{
“description”: “Invalid project resource name”,
“field”: “name”
}
]
}
],
“message”: “Invalid project resource name projects/”,
“status”: “INVALID_ARGUMENT”
}
}

3

Hi @Yi_Duan
Welcome to the Google AI Forum!!!

Thank you for bringing this to our attention. We sincerely apologize for the inconvenience this has caused. We have escalated the issue to our internal teams for a thorough investigation and we appreciate your patience as we work toward a resolution.

4

image
image745×155 13.8 KB

May I ask if you can help me solve this problem?

5

Hello, my account is still unusable.

6

Hello, I also have a problem with antigravity, help me solve this situation.

Trajectory ID: 3970a831-013f-4abe-91e4-7c1ae6…
Error: HTTP 500 Internal Server Error
Sherlog:
TraceID: 0xa2d6ec93fe23…
Headers: {“Alt-Svc”:[“h3=“:443”; ma=2592000,h3-29=“:443”; ma=2592000”],“Content-Length”:[“109”],“Content-Type”:[“text/event-stream”],“Date”:[“Tue, 10 Mar 2026 09:09:28 GMT”],“Server”:[“ESF”],“Server-Timing”:[“gfet4t7; dur=344”],“Vary”:[“Origin”,“X-Origin”,“Referer”],“X-Cloudaicompanion-Trace-Id”:[“a2d6ec93fe2369d8”],“X-Content-Type-Options”:[“nosniff”],“X-Frame-Options”:[“SAMEORIGIN”],“X-Xss-Protection”:[“0”]}

{
“error”: {
“code”: 500,
“message”: “Internal error encountered.”,
“status”: “INTERNAL”
}
}

7

The same, reported twice, by last 2 weeks, with Report Issue from Antigravity…. nothing changed after 1.20.5 from Mar 9, 2026, the same problem.
Logout, removing Antigravity from accounts.google.com, reauth… still the same problem. Google AI Pro account.

For sure those 400 are visible in logs, and one can assume that if you are building tool for using AI to code, you probably should use it also to look into logs :wink:

Two separated traceId’s:
Trajectory ID: 0240dcd9-3959-40dd-867c-5e7b85…
Error: HTTP 400 Bad Request
Sherlog:
TraceID: 0x7c24946c774..

Trajectory ID: d0d66804-651e-4c04-9507-c37eba…
Error: HTTP 400 Bad Request
Sherlog:
TraceID: 0x435ba8aead93…

8

Same here with a fresh installation on a new macbook pro (M5 pro). Workspace and playgrounds are not working every chat is directly stopping with the same error / bug like this:

Trajectory ID: 4b6acd45-bae2-46da

Error: HTTP 400 Bad Request

Sherlog:

TraceID: 0xd62e46d

type: “type.googleapis.com/google.rpc.BadRequest”

description": “Invalid project resource name”

field": „name"

message: "Invalid project resource name projects/„

status: “INVALID_ARGUMENT”

I’ve already send a bugreport directly from antigravity too