Error just after calendar is opened

[ChurchCRMBugReport]

In ChurchCRM, after clicking Calendar bar in Menu I receive:

Error making API Call to: /api/calendar/events?start=2017-11-26&end=2018-01-07&_=1514375412521

Error text: Malformed UTF-8 characters, possibly incorrectly encoded

Stack Trace:

[
"#0 /api/routes/calendar.php(9): Slim\Http\Response->withJson(Array)",
"#1 [internal function]: Closure->{closure}(Object(Slim\Http\Request), Object(Slim\Http\Response), Array)",
"#2 /vendor/slim/slim/Slim/Handlers/Strategies/RequestResponse.php(41): call_user_func(Object(Closure), Object(Slim\Http\Request), Object(Slim\Http\Response), Array)",
"#3 /vendor/slim/slim/Slim/Route.php(325): Slim\Handlers\Strategies\RequestResponse->__invoke(Object(Closure), Object(Slim\Http\Request), Object(Slim\Http\Response), Array)",
"#4 /vendor/slim/slim/Slim/MiddlewareAwareTrait.php(116): Slim\Route->__invoke(Object(Slim\Http\Request), Object(Slim\Http\Response))",
"#5 /vendor/slim/slim/Slim/Route.php(297): Slim\Route->callMiddlewareStack(Object(Slim\Http\Request), Object(Slim\Http\Response))",
"#6 /vendor/slim/slim/Slim/App.php(443): Slim\Route->run(Object(Slim\Http\Request), Object(Slim\Http\Response))",
"#7 /vendor/slim/slim/Slim/MiddlewareAwareTrait.php(116): Slim\App->__invoke(Object(Slim\Http\Request), Object(Slim\Http\Response))",
"#8 /vendor/slim/slim/Slim/App.php(337): Slim\App->callMiddlewareStack(Object(Slim\Http\Request), Object(Slim\Http\Response))",
"#9 /vendor/slim/slim/Slim/App.php(298): Slim\App->process(Object(Slim\Http\Request), Object(Slim\Http\Response))",
"#10 /api/index.php(61): Slim\App->run()",
"#11 {main}"
]

Collected Value Title	Data
Page Name	/Menu.php
Screen Size	768x1366
Window Size	628x1366
Page Size	979x1366
Platform Information	Linux v433.home.net.pl 4.0.6 brocade-gut #36 SMP Thu May 19 16:53:59 CEST 2016 x86_64
PHP Version	7.1.12
SQL Version	5.7.19-17-log
ChurchCRM Version	2.8.10
Reporting Browser	Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.84 Safari/537.36
Prerequisite Status	Missing Prerequisites: ["Mod Rewrite"]
Integrity check status	{"status":"failure","message":"One or more files failed signature validation","files":[{"filename":"vendor/guzzle/guzzle/src/Guzzle/Service/Command/LocationVisitor/Response/AbstractResponseVisitor.php","status":"Hash Mismatch","expectedhash":"d3f68302234c2458cb90ecd253dc3ca501edeaf2","actualhash":"da39a3ee5e6b4b0d3255bfef95601890afd80709"},{"filename":"vendor/mustache/mustache/test/fixtures/autoloader/NonMustacheClass.php","status":"Hash Mismatch","expectedhash":"6366f14d3d5c904f9c0534ca390b851347c110f7","actualhash":"da39a3ee5e6b4b0d3255bfef95601890afd80709"},{"filename":"vendor/nikic/fast-route/src/DataGenerator/CharCountBased.php","status":"Hash Mismatch","expectedhash":"663cb00b7c5933ca58dd0ca30699a2dd5353e538","actualhash":"da39a3ee5e6b4b0d3255bfef95601890afd80709"},{"filename":"vendor/propel/propel/src/Propel/Generator/Builder/Om/ExtensionObjectBuilder.php","status":"Hash Mismatch","expectedhash":"5a06d8cdd96700e25fdf4b881d93f097e187701a","actualhash":"da39a3ee5e6b4b0d3255bfef95601890afd80709"},{"filename":"vendor/propel/propel/src/Propel/Generator/Builder/Om/ExtensionQueryBuilder.php","status":"Hash Mismatch","expectedhash":"8c946e2e8fc2dc6ec35a4f2be2cbef90aa8f7cb1","actualhash":"da39a3ee5e6b4b0d3255bfef95601890afd80709"}]}

[DawoudIO]

@crossan007 is this an issue still

[crossan007]

Let's close this, as it's the old api, and there has been no activity.