Coult not parse version from '885915 885915'

[JCSigala]

Hello, I am a beginner in bioinformatics field. I tried to use prokka and I have the following problem:

[19:13:48] Looking for 'signalp' - found /export/apps/bin/signalp [19:13:48] Coult not parse version from '885915 885915'

Do you know what I have to do to solve this? Thank you very much in advanced for any help. Best regards