Fatal error: Uncaught Error: Call to undefined function JmesPath\mb_strlen() in /var/www/html/aws/JmesPath/Lexer.php:343 Stack trace: #0 /var/www/html/aws/JmesPath/Parser.php(76): JmesPath\Lexer->tokenize('services."api.e...') #1 /var/www/html/aws/JmesPath/AstRuntime.php(42): JmesPath\Parser->parse('services."api.e...') #2 /var/www/html/aws/JmesPath/Env.php(33): JmesPath\AstRuntime->__invoke('services."api.e...', Array) #3 /var/www/html/aws/Aws/Endpoint/PartitionEndpointProvider.php(117): JmesPath\Env::search('services."api.e...', Array) #4 /var/www/html/aws/Aws/Endpoint/PartitionEndpointProvider.php(99): Aws\Endpoint\PartitionEndpointProvider::mergePrefixData(Array, Array) #5 /var/www/html/aws/Aws/ClientResolver.php(736): Aws\Endpoint\PartitionEndpointProvider::defaultProvider(Array) #6 /var/www/html/aws/Aws/ClientResolver.php(295): Aws\ClientResolver::_default_endpoint_provider(Array) #7 /var/www/html/aws/Aws/AwsClient.php(199): Aws\ClientResolver->resolve(Array, Object(Aws\HandlerList)) #8 /var/www/html/application/con in /var/www/html/aws/JmesPath/Lexer.php on line 343