Reproduction scenario:
1. Have a project with the Git plugin enabled
2. Go to the project administration of this project and ask to see the last 7 months of accesses


Trace:
Fatal error: Uncaught Exception: DateInterval::__construct(): Unknown or bad format (P213.5D) in /usr/share/tuleap/plugins/git/include/GitLog.class.php on line 130
Exception: DateInterval::__construct(): Unknown or bad format (P213.5D) in /usr/share/tuleap/plugins/git/include/GitLog.class.php on line 130
Call Stack
# Time Memory Function Location
1 0.0024 405696 {main}( ) .../source_code_access.php:0
2 0.3300 8187304 plugins_logs_daily( ???, ???, ??? ) .../source_code_access.php:137
3 0.3300 8187304 plugins_log_extract( ???, ???, ??? ) .../source_code_access_utils.php:474
4 0.3300 8187784 EventManager->processEvent( ???, ??? ) .../source_code_access_utils.php:467
5 0.3434 8501168 EventManager->processEventOnListener( ???, ???, ??? ) .../EventManager.class.php:104
6 0.3434 8501168 Tuleap\Plugin\PluginLoader->Tuleap\Plugin\{closure:/usr/share/tuleap/src/common/plugin/PluginLoader.php:70-73}( ???, ??? ) .../EventManager.class.php:116
7 0.3434 8501168 EventManager->eventManagerDispatch( ???, ???, ???, ???, ??? ) .../PluginLoader.php:72
8 0.3434 8501168 GitPlugin->logsDaily( ??? ) .../EventManager.class.php:127
9 0.3808 9043184 Git->logsDaily( ??? ) .../gitPlugin.php:1317
10 0.3811 9047992 GitLog->logsDaily( ??? ) .../Git.class.php:1376
11 0.3811 9047992 GitLog->getGitReadLogFilter( ???, ???, ??? ) .../GitLog.class.php:53
12 0.3811 9048368 GitLog->getDateFilter( ??? ) .../GitLog.class.php:103
13 0.3811 9048808 __construct ( ??? ) .../GitLog.class.php:130