Run time error 19 [nativechecker]

[21:38:00] Error: Function not registered: 'SSCANF_Init'

[21:38:00] Error: Function not registered: 'SSCANF_Join'

[21:38:00] Error: Function not registered: 'SSCANF_Leave'

[21:38:00] Error: Function not registered: 'mysql_connect'

[21:38:00] Error: Function not registered: 'mysql_query'

[21:38:00] Error: Function not registered: 'mysql_store_result'

[21:38:00] Error: Function not registered: 'mysql_num_rows'

[21:38:00] Script[gamemodes/CountyRoleplay.amx]: Run time error 19: "File or function is not found"

[21:38:00] Number of vehicle models: 0