Resource not found

GET /lifecycle/flows/signup?continue=https://uc.appengine.google.com/_ah/conflogin?state%3D~AJKiYcFAYS04u461oOlMqG9HH5t6uwqLQK7MgvJyfrjhh-8X64Ph70HuiCIY1MF17lINqb5OLPiiIvy9SE-in1rHdhITFVMDOSIwFpXA6vs-_u7OpIYAprpgv47i2bX6S63lTAGgNJT9dvKm3vRDbU6oASe5de8odDCg1krVxzr209aE1LBNHFPvViXyo0La3arjMJlGHT8-YA0XWCOjZOSGaBClynFZ0kERG84Xait4Z_PGxizfDUA&dsh=S-770843987:1714130751245790&flowEntry=SignUp&flowName=GlifWebSignIn&ifkv=AaSxoQxH8_eD6dfYsRokILTEh3zvXyIezktVTRmIC-T_Nhx1fqaQsrPpqRdpRyV7CnNeC3l3r_YZ HTTP/1.1
Accept: */*
Content-Type: ; charset="utf-8"
Host: openradar.appspot.com
Traceparent: 00-ca88c597c3d0ecbe337eb3ec21fd94b2-c86b5a951dea1093-01
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
X-Appengine-City: columbus
X-Appengine-Citylatlong: 39.961176,-82.998794
X-Appengine-Country: US
X-Appengine-Region: oh
X-Cloud-Trace-Context: ca88c597c3d0ecbe337eb3ec21fd94b2/14441736226592133267;o=1