Error when enabling app about announcementcenter HOT 2 CLOSED

Please use the issue template:
https://raw.githubusercontent.com/owncloud/core/master/issue_template.md

at least the mysql version is of large interest

from announcementcenter.

Steps to reproduce

1. Have tried multiple times to click enable on the app
2. Created the database table manually

Expected behaviour

The announcement app should enable but it is throwing an error

Actual behaviour

An exception occurred while executing 'CREATE TABLE `oc_announcements` (`announcement_id` INT AUTO_INCREMENT NOT NULL, `announcement_time` INT DEFAULT 0 NOT NULL, `announcement_user` VARCHAR(64) NOT NULL, `announcement_subject` VARCHAR(512) NOT NULL, `announcement_message` VARCHAR(64000) DEFAULT NULL, PRIMARY KEY(`announcement_id`)) DEFAULT CHARACTER SET utf8 COLLATE utf8_bin ENGINE = InnoDB': SQLSTATE[42000]: Syntax error or access violation: 1074 Column length too big for column 'announcement_message' (max = 21845); use BLOB or TEXT instead

Server configuration

Operating system:
Ubuntu 14.04

Web server:
Apache

Database:
mysql Ver 14.14 Distrib 5.5.46,

PHP version:
PHP 5.5.9-1ubuntu4.14

ownCloud version: (see ownCloud admin page)
8.2.1.4 (stable)

Updated from an older ownCloud or fresh install:
Updated from older version

List of activated apps:

• activity: 2.1.3
• calendar: 0.8.1
• contacts: 0.5.0.0
• documents: 0.11.0
• files: 1.2.0
• files_external: 0.3.0
• files_locking:
• files_pdfviewer: 0.7
• files_sharing: 0.7.0
• files_texteditor: 2.0
• files_trashbin: 0.7.0
• files_versions: 1.1.0
• files_videoviewer: 0.1.3
• firstrunwizard: 1.1
• gallery: 14.2.0
• ownnote: 1.05
• provisioning_api: 0.3.0
• qownnotesapi: 0.4.1
• templateeditor: 0.1
• updater: 0.6

from announcementcenter.