Gitlab::GitAccess::ProjectCreationError: Could not create project: PG::UndefinedColumn: ERROR: column "wikis_count" does not exist

https://sentry.gitlab.net/gitlab/gitlabcom/issues/525760/

Gitlab::GitAccess::ProjectCreationError: Could not create project: PG::UndefinedColumn: ERROR:  column "wikis_count" does not exist
LINE 1: UPDATE "site_statistics" SET "wikis_count" = "wikis_count"+1
                                                     ^
: UPDATE "site_statistics" SET "wikis_count" = "wikis_count"+1
  gitlab/git_access.rb:209:in `ensure_project_on_push!'
    raise ProjectCreationError, "Could not create project: #{project.errors.full_messages.join(', ')}"
  gitlab/metrics/instrumentation.rb:159:in `block in ensure_project_on_push!'
    .measure { super }
  gitlab/metrics/method_call.rb:34:in `measure'
    retval = yield
  gitlab/metrics/instrumentation.rb:159:in `ensure_project_on_push!'
    .measure { super }
  gitlab/git_access.rb:62:in `check'
    ensure_project_on_push!(cmd, changes)
...
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Gitlab::GitAccess::ProjectCreationError: Could not create project: PG::UndefinedColumn: ERROR:  column "wikis_count" does not exist
LINE 1: UPDATE "site_statistics" SET "wikis_count" = "wikis_count"+1
                                                     ^
: UPDATE "site_statistics" SET "wikis_count" = "wikis_count"+1