ERROR CODE SCHEMA code: aabbbxxx a - error type: * 1 - bad request, * 2 - not found, * 3 - forbidden, * 4- already exists, * 5 - unprocessable entity b - entity type: * 111 - System * 001 - User * 002 - Folder xx - number of error type. example: 01 - order not found by id ERRORS base BadRequest * 1111001 - wrong credentials * 1111001 - file is missing User BadRequest * 1001001 - wrong user data * 1001002 - password changing error NotFound * 2001001 - user not found Folder BadRequest * 1002001 - folder creation error * 1002002 - folder update error NotFound * 2002001 - folder not found error Note BadRequest * 1003001 - note creation error * 1003002 - note update error * 1003003 - note relation creation error * 1003004 - note relation remove error NotFound * 2003001 - note not found error