I asked how to cope with what I experienced this error?

I: 21.06.2012  10:04:18 Start of compilation of module 4581DP with chart container 
SIMATIC 400(1)\4581DP\Program (4581DP)\.
I: Settings
I: Block types from all libraries can be inserted online.
I: CPU map listing is to be created.
E: Wrong version of mask library fbsfm1 - please update the library
E: Wrong version of code library C:\Program Files\Siemens\Step7\S7cfc\sdblocks\fbsfm1.a 
( Expected = V615, Found = V618 )
E: Wrong version of mask library C:\Program 
Files\Siemens\Step7\S7cfc\sdblocks\fbsfm1.msk ( Expected = V618, Found = V615 )
E: Wrong version of mask library fbslib - please update the library
E: Wrong version of code library C:\Program 
Files\Siemens\Step7\S7cfc\sdblocks\fbslib_fm1.a ( Expected = V615, Found = V618 )
E: Wrong version of mask library C:\Program 
Files\Siemens\Step7\S7cfc\sdblocks\fbslib.msk ( Expected = V618, Found = V615 )
E: Wrong version of code library C:\Program Files\Siemens\Step7\S7cfc\sdblocks\fbslib.a 
( Expected = V615, Found = V618 )
E: Wrong version of mask library fbssfc - please update the library
E: Wrong version of code library C:\Program 
Files\Siemens\Step7\S7cfc\sdblocks\fbssfc_fm1.a ( Expected = V615, Found = V618 )
E: Wrong version of mask library C:\Program 
Files\Siemens\Step7\S7cfc\sdblocks\fbssfc.msk ( Expected = V618, Found = V615 )
E: Wrong version of code library C:\Program Files\Siemens\Step7\S7cfc\sdblocks\fbssfc.a 
( Expected = V615, Found = V618 )
Errors in compilation: 11 error(s) found
I: 21.06.2012  10:04:25 End of compilation of module 4581DP with chart container SIMATIC
400(1)\4581DP\Program (4581DP)\.

Regard's
Fajar