Mustache Renderer fatal error when rendering multiple template fields

We have a content type with a multi node reference to a content type which has a template_field using the mustache renderer. When trying to display just one referenced "template node" it works fine, but when trying to display multiple "template nodes" the following fatal error occurs (scrubbed for client privacy)

Fatal error: Cannot redeclare class MustacheException in /Work/Treehouse/CLIENT/docroot/sites/all/libraries/mustache/mustache.php on line 889 Call Stack: 0.1075 639392 1. {main}() /Work/Treehouse/CLIENT/docroot/index.php:0 0.2617 31807472 2. menu_execute_active_handler(???, ???) /Work/Treehouse/CLIENT/docroot/index.php:21 0.2619 31808248 3. call_user_func_array(???, ???) /Work/Treehouse/CLIENT/docroot/includes/menu.inc:503 0.2619 31808496 4. node_page_default() /Work/Treehouse/CLIENT/docroot/includes/menu.inc:503 0.3143 33767896 5. node_view_multiple(???, ???, ???, ???) /Work/Treehouse/CLIENT/docroot/modules/node/node.module:2560 0.3391 34628064 6. node_view(???, ???, ???) /Work/Treehouse/CLIENT/docroot/modules/node/node.module:2534 0.3391 34628064 7. node_build_content(???, ???, ???) /Work/Treehouse/CLIENT/docroot/modules/node/node.module:1285 0.3396 34628456 8. field_attach_view(???, ???, ???, ???) /Work/Treehouse/CLIENT/docroot/modules/node/node.module:1361 0.3397 34628976 9. _field_invoke_default(???, ???, ???, ???, ???, ???) /Work/Treehouse/CLIENT/docroot/modules/field/field.attach.inc:1169 0.3397 34629432 10. _field_invoke(???, ???, ???, ???, ???, ???) /Work/Treehouse/CLIENT/docroot/modules/field/field.attach.inc:375 0.3408 34632576 11. field_default_view(???, ???, ???, ???, ???, ???, ???, ???) /Work/Treehouse/CLIENT/docroot/modules/field/field.attach.inc:198 0.3410 34633752 12. template_field_field_formatter_view(???, ???, ???, ???, ???, ???, ???) /Work/Treehouse/CLIENT/docroot/modules/field/field.default.inc:210 0.3410 34637656 13. template_api_view(???, ???) /Work/Treehouse/CLIENT/docroot/sites/all/modules/contrib/template_field/template_field/template_field.module:60 0.3410 34637656 14. TemplateApiTemplateController->view(???) /Work/Treehouse/CLIENT/docroot/sites/all/modules/contrib/template_field/template_api/template_api.module:140 0.3421 34638664 15. TemplateApiRendererController->render(???, ???) /Work/Treehouse/CLIENT/docroot/sites/all/modules/contrib/template_field/template_api/includes/template.inc:116 0.3422 34638664 16. TemplateApiMustacheRenderer->render(???, ???) /Work/Treehouse/CLIENT/docroot/sites/all/modules/contrib/template_field/template_api/includes/renderer.inc:63