Vauxhall Tigra - tigra 1.4 i on limp mode - razzer123

i have a 2005 2 door 1.4i tigra it drove ok in to the car park stud 2 weeks went to it and the battary was flat so i put it on a low charge for around 24 hour it started up but will not rev just tick and the car with a spanners sign was on the clock can some one help me plz