Non-static method FLEA_Db_SqlHelper::parseConditions() cannot be called statically

Error reason:

Uncaptured exception.

Details: Error: Non-static method FLEA_Db_SqlHelper::parseConditions() cannot be called statically in /data/www/innosep26/FLEA/FLEA/Db/TableDataGateway.php:1837
Stack trace:
#0 /data/www/innosep26/FLEA/FLEA/Db/TableDataGateway.php(423): FLEA_Db_TableDataGateway->getWhere()
#1 /data/www/innosep26/APP/Model/pros.php(39): FLEA_Db_TableDataGateway->findAll()
#2 /data/www/innosep26/APP/Model/pros.php(33): Model_pros->findAll()
#3 /data/www/innosep26/APP/Controller/home.php(608): Model_pros->find()
#4 /data/www/innosep26/FLEA/FLEA/Dispatcher/Simple.php(120): Controller_home->proview()
#5 /data/www/innosep26/FLEA/FLEA/Dispatcher/Auth.php(2): FLEA_Dispatcher_Simple->_executeAction()
#6 /data/www/innosep26/FLEA/FLEA.php(833): FLEA_Dispatcher_Auth->dispatching()
#7 /data/www/innosep26/index.php(68): FLEA::runMVC()
#8 {main}

Exception: Error
Message: Non-static method FLEA_Db_SqlHelper::parseConditions() cannot be called statically


Filename: /data/www/innosep26/FLEA/FLEA/Db/TableDataGateway.php [423]
#8 FLEA_Db_TableDataGateway::getWhere()

Filename: /data/www/innosep26/APP/Model/pros.php [39]
#7 FLEA_Db_TableDataGateway::findAll()

Filename: /data/www/innosep26/APP/Model/pros.php [33]
#6 Model_pros::findAll()

Filename: /data/www/innosep26/APP/Controller/home.php [608]
#5 Model_pros::find()

Filename: /data/www/innosep26/FLEA/FLEA/Dispatcher/Simple.php [120]
#4 Controller_home::proview()

Filename: /data/www/innosep26/FLEA/FLEA/Dispatcher/Auth.php [2]
#3 FLEA_Dispatcher_Simple::_executeAction()

Filename: /data/www/innosep26/FLEA/FLEA.php [833]
#2 FLEA_Dispatcher_Auth::dispatching()

Filename: /data/www/innosep26/index.php [68]
#1 FLEA::runMVC()