About cvs sticky tag

[Jillfox]

Excuse me,Can i ask you some question? When i use cvs to control revision for a project,i found that a sticky tag named 1.4   bash-2.04# cvs status -v driver.cpp =================================================================== File: driver.cpp        Status: Locally Modified      Working revision:    1.4    Repository revision: 1.4     /usr/local/cvsroot/C_S/driver.cpp,v    Sticky Tag:          1.4    Sticky Date:         (none)    Sticky Options:      (none)   There cause that i can't commit the modified file   bash-2.04# cvs commit -m "Litter function" driver.cpp cvs server: sticky tag `1.4' for file `driver.cpp' is not a branch cvs [server aborted]: correct above errors first!   How can i do for it?How can i delete the tag?