[Bug] Anthropic API Error: 1M Context Window Requires Paid Usage Plan

Bug Description
I'm getting an issue saying that extra usage is required for 1m context but I'm using sonnet 4.6 default

Environment Info

• Platform: darwin
• Terminal: cursor
• Version: 2.1.123
• Feedback ID: 54d3b571-30c1-46d5-b814-584fe5797413

Errors

[{"error":"Error: NON-FATAL: Lock acquisition failed for /Users/damiansligo-green/.local/share/claude/versions/2.1.123 (expected in multi-process scenarios)\n    at x86 (/$bunfs/root/src/entrypoints/cli.js:2769:2177)\n    at Jw8 (/$bunfs/root/src/entrypoints/cli.js:2769:1257)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-04-29T19:20:02.459Z"},{"error":"Error: Request was aborted.\n    at makeRequest (/$bunfs/root/src/entrypoints/cli.js:50:3448)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-04-29T20:31:18.195Z"},{"error":"Error: File does not exist. Note: your current working directory is /Users/damiansligo-green/Code/freehold-portal.\n    at call (/$bunfs/root/src/entrypoints/cli.js:4865:7658)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-04-29T23:23:42.461Z"},{"error":"Error: 429 {\"type\":\"error\",\"error\":{\"type\":\"rate_limit_error\",\"message\":\"This request would exceed your account's rate limit. Please try again later.\"},\"request_id\":\"req_011CaYyZqrfFmBphSRVuMRiP\"}\n    at generate (/$bunfs/root/src/entrypoints/cli.js:11:57915)\n    at makeRequest (/$bunfs/root/src/entrypoints/cli.js:50:4943)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-04-30T00:03:20.176Z"},{"error":"Error: Failed to delete keychain entry: security: SecKeychainSearchCopyNext: The specified item could not be found in the keychain.\n    at USq (/$bunfs/root/src/entrypoints/cli.js:256:287818)\n    at async I99 (/$bunfs/root/src/entrypoints/cli.js:409:898)\n    at async Si6 (/$bunfs/root/src/entrypoints/cli.js:409:796)\n    at async K$_ (/$bunfs/root/src/entrypoints/cli.js:2745:2257)\n    at async a0H (/$bunfs/root/src/entrypoints/cli.js:2770:6041)\n    at async <anonymous> (/$bunfs/root/src/entrypoints/cli.js:2794:3410)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-04-30T00:05:12.426Z"},{"error":"Error: 429 {\"type\":\"error\",\"error\":{\"type\":\"rate_limit_error\",\"message\":\"Extra usage is required for long context requests.\"},\"request_id\":\"req_011CaYyiXUsCX8HvMJgHUjvM\"}\n    at generate (/$bunfs/root/src/entrypoints/cli.js:11:57915)\n    at makeRequest (/$bunfs/root/src/entrypoints/cli.js:50:4943)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-04-30T00:05:18.038Z"},{"error":"Error: 429 {\"type\":\"error\",\"error\":{\"type\":\"rate_limit_error\",\"message\":\"Extra usage is required for long context requests.\"},\"request_id\":\"req_011CaYyp6cZRnfS4nVigQVTz\"}\n    at generate (/$bunfs/root/src/entrypoints/cli.js:11:57915)\n    at makeRequest (/$bunfs/root/src/entrypoints/cli.js:50:4943)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-04-30T00:06:33.448Z"}]

<img width="1370" height="245" alt="Image" src="https://github.com/user-attachments/assets/cad123ee-37cc-492c-8ea0-a0b53c409c2c" />