Twig error while viewing user notes

When attempting to view a user's notes in the MCP, the following error is thrown:

Fatal error: Uncaught exception 'Twig_Error_Syntax' with message 'Unknown tag name "else" in "mcp_notes_user.html" at line 87' in C:\wamp\www\phpBB31\vendor\twig\twig\lib\Twig\Parser.php on line 186
Twig_Error_Syntax: Unknown tag name "else" in "mcp_notes_user.html" at line 87 in C:\wamp\www\phpBB31\vendor\twig\twig\lib\Twig\Parser.php on line 186

Call Stack

# Time Memory Function Location

1 0.0029 268896 {main}( ) ..\mcp.php:0

2 0.2975 6843560 p_master->display( ) ..\mcp.php:251

3 0.3389 7539088 page_footer( ) ..\functions_module.php:925

4 0.3466 7803920 phpbb_template_twig->display( ) ..\functions.php:5526

5 0.3472 7819552 Twig_Environment->display( ) ..\twig.php:269

6 0.3472 7819576 phpbb_template_twig_environment->loadTemplate( ) ..\Environment.php:299

7 0.3472 7819672 Twig_Environment->loadTemplate( ) ..\environment.php:122

8 0.3478 7824752 Twig_Environment->compileSource( )