<!-- NOTE: If your issue is a security concern, please send an email to security@gitea.io instead of opening a public issue --> When deleting members from the organization, the server does not respond after clicking the delete button <!-- 1. Please speak English, this is the language all maintainers can speak and write. 2. Please ask questions or configuration/deploy problems on our Discord server (https://discord.gg/gitea) or forum (https://discourse.gitea.io). 3. Please take a moment to check that your issue doesn't already exist. 4. Please give all relevant information below for bug reports, because incomplete details will be handled as an invalid report. --> - Gitea version (or commit ref):1.12.4 built with GNU Make 4.2.1, go1.14.8 : bindata, sqlite, sqlite_unlock_notify - Git version: 2.24.3 - Operating system: centos + docker - Database (use `[x]`): - [ ] PostgreSQL - [ ] MySQL - [ ] MSSQL - [X] SQLite - Can you reproduce the bug at https://try.gitea.io: - [ ] Yes (provide example URL) - [ ] No - [ ] Not relevant - Log gist: ## Description ... ## Screenshots  <!-- **If this issue involves the Web Interface, please include a screenshot** -->