The session id is too long or contains illegal characters, valid characters are a-z, A-Z, 0-9 and '-,'

Question

How to solve :

Warning: session_start() [function.session-start]: The session id is too long or contains illegal characters, valid characters are a-z, A-Z, 0-9 and '-,' in ..... on line 3

Warning: session_start() [function.session-start]: Cannot send session cookie - headers already sent by (output started at ......:3) in ..... on line 3

Warning: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent (output started at .....:3) in ..... on line 3

Answer 1

have a look at this session_start() discussion