[Anthill] Format of version file

[Sushmita Sengupta]

Hi,
  In the FAQs of Anthill it is mentioned that the general format of the 
version file is
    <prefix><buildNo><postfix>

    and an example is given as follows:
    "So if you have a  version such as 1.2.3.4, then 1.2.3. is the <prefix>, 
4 is the <buildNo> and the <postfix> is an empty string."

   However, I have a version file where I have used the following 1.1.1.1 
and the build fails with the following error:
  "Incrementing version: FAILED to build project.  Message: Version String 
illegal. Can't parse build number. versionStr: version.txt"

Should'nt the version file  take 1 as the build number as per the example? 
What am I missing in the version file?

Thanks in advance for any help.

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