Webmaster not enabled for your account
Locked webmaster panel title webmasterPage.locked.title when this account cannot use webmaster tools.
Why this happens
Per-user gate (not site-wide disable). Body/API may say Webmaster access is not enabled for your account — Contact an administrator.
Diagnose and fix
1. Admin: approve webmaster on the user; save.
2. Member: reload affiliation/webmaster after approval.
3. See Approve webmaster on register.
4. See Webmaster sites and verification once unlocked.