MigratePost: pq: value too long for type character varying(255)

[Alir3z4]

• Gitea version 1.9.0+rc2-16-gd789170e3 built with GNU Make 4.1, go1.12.7 : bindata, sqlite, sqlite_unlock_notify
• Git version: 2.7.4
• Operating system: Ubuntu 16.04 LTS
• Database (use [x]):
  • PostgreSQL
  • MySQL
  • MSSQL
  • SQLite
• Can you reproduce the bug at https://try.gitea.io:
  • Yes (provide example URL)
  • No
  • Not relevant
• Log gist:

2019/07/28 17:26:12 .../xorm/session_get.go:99:nocacheGet() [I] [SQL] SELECT "id", "owner_id", "lower_name", "name", "description", "website", "default_branch", "num_watches", "num_stars", "num_forks", "num_issues", "num_closed_issues", "num_pulls", "num_closed_pulls", "num_milestones", "num_closed_milestones", "is_private", "is_empty", "is_archived", "is_mirror", "is_fork", "fork_id", "size", "is_fsck_enabled", "close_issues_via_commit_in_any_branch", "topics", "avatar", "created_unix", "updated_unix" FROM "repository" WHERE "owner_id"=$1 AND "lower_name"=$2 LIMIT 1 []interface {}{1, "heroku3.py"}
2019/07/28 17:26:12 .../xorm/session_raw.go:143:queryBytes() [I] [SQL] INSERT INTO "repository" ("owner_id","lower_name","name","description","website","default_branch","num_watches","num_stars","num_forks","num_issues","num_closed_issues","num_pulls","num_closed_pulls","num_milestones","num_closed_milestones","is_private","is_empty","is_archived","is_mirror","is_fork","fork_id","size","is_fsck_enabled","close_issues_via_commit_in_any_branch","topics","avatar","created_unix","updated_unix") VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11, $12, $13, $14, $15, $16, $17, $18, $19, $20, $21, $22, $23, $24, $25, $26, $27, $28) RETURNING "id" []interface {}{1, "heroku3.py", "heroku3.py", "This is the updated Python wrapper for the Heroku API V3. https://devcenter.heroku.com/articles/platform-api-reference The Heroku REST API allows Heroku users to manage their accounts, applications, addons, and other aspects related to Heroku. It allows you to easily utilize the Heroku platform from your applications.", "", "", 0, 0, 0, 0, 0, 0, 0, 0, 0, false, false, false, false, false, 0, 0, true, false, "null", "", 1564334772, 1564334772}
2019/07/28 17:26:12 ...xorm/xorm/session.go:845:saveLastSQL() [I] [SQL] ROLL BACK
2019/07/28 17:26:12 routers/repo/repo.go:315:MigratePost() [E] MigratePost: pq: value too long for type character varying(255)

Description

I'm trying to import a github repo (https://github.com/Alir3z4/heroku3.py) with all the issues, pull requests etc.
After hitting migrate button, it shows 500 page.

The last error is:

2019/07/28 17:26:12 routers/repo/repo.go:315:MigratePost() [E] MigratePost: pq: value too long for type character varying(255)

Screenshots