IE11 : nothing appears #92

Steps to reproduce

1. just launch the app

Expected behaviour

Tasks should appears on screen

Actual behaviour

white screene (except top NextCloud menu bar)

Server configuration

Operating system:
Centos 7

Web server:
Virtual

Database:
Mysql 5.6

PHP version:
7

Nextcloud version: (see Nextcloud admin page)
NextCloud 12.0.0

Tasks version: (see Nextcloud apps page)
0.9.6

Updated from an older Nextcloud or fresh install:
fresh install

List of activated apps:
Circles, deck, calendar, impersonate, groups folder

{
"system": {
"instanceid": "ocrquov2xtht",
"passwordsalt": "REMOVED SENSITIVE VALUE",
"secret": "REMOVED SENSITIVE VALUE",
"trusted_domains": [
"domain.name",
"xxxxxxxxx"
],
"datadirectory": "/app/nextcloud/data",
"overwrite.cli.url": "http://domain.name",
"dbtype": "mysql",
"version": "12.0.0.29",
"dbname": "nextcloud",
"dbhost": "localhost",
"dbport": "",
"dbtableprefix": "oc_",
"dbuser": "REMOVED SENSITIVE VALUE",
"dbpassword": "REMOVED SENSITIVE VALUE",
"installed": true,
"ldapIgnoreNamingRules": false,
"ldapProviderFactory": "\OCA\User_LDAP\LDAPProviderFactory",
"logtimezone": "Indian/Reunion",
"mail_smtpmode": "smtp",
"mail_smtpauthtype": "LOGIN",
"mail_from_address": "xxxxxxx",
"mail_domain": "xxxxxxxx",
"mail_smtphost": "xxxxxxxxx",
"mail_smtpport": "25",
"has_internet_connection": false,
"appstoreenabled": false,
"appstore.experimental.enabled": false,
"enabledPreviewProviders": [
"OC\Preview\PNG",
"OC\Preview\JPEG",
"OC\Preview\GIF",
"OC\Preview\BMP",
"OC\Preview\XBitmap",
"OC\Preview\MP3",
"OC\Preview\TXT",
"OC\Preview\MarkDown",
"OC\Preview\MSOffice2003",
"OC\Preview\MSOffice2007",
"OC\Preview\MSOfficeDoc"
],
"loglevel": 2,
"maintenance": false,
"theme": "",
"skeletondirectory": "/app/nextcloud/data/skeleton"
}
}

Client configuration

Browser: IE11

Operating system: Win7Pro

********** ERROR ************
SCRIPT1003: ':' attendu
Fichier : app.js, ligne : 4412, colonne : 22
SCRIPT5022: [$injector:modulerr] http://errors.angularjs.org/1.5.5/$injector/modulerr?p0=Tasks&p1=Error%3A%20%5B%24injector%3Anomod%5D%20http%3A%2F%2Ferrors.angularjs.org%2F1.5.5%2F%24injector%2Fnomod%3Fp0%3DTasks%0A%20%20%20at%20Anonymous%20function%20......
Fichier : angular.min.js, ligne : 40, colonne : 25