An uncaught Exception was encountered

Type:        InvalidArgumentException
Message:     invalid json token
Filename:    /home/brillsph/erp.brillsph.com/application/third_party/google-api-php-client/src/Client.php
Line Number: 517

Backtrace:
	File: /home/brillsph/erp.brillsph.com/application/models/Googles_model.php
	Line: 73
	Function: setAccessToken

	File: /home/brillsph/erp.brillsph.com/application/models/Googles_model.php
	Line: 1791
	Function: getClient

	File: /home/brillsph/erp.brillsph.com/application/controllers/DashboardController.php
	Line: 63
	Function: getsalesreport

	File: /home/brillsph/erp.brillsph.com/index.php
	Line: 308
	Function: require_once