[Lazarus] Read error on Object inspector

[FreeMan]

Hello
Kubuntu 13.10 x64
fpc svn update 27451
lazarus svn update 44592

Fieldlist Editor opened, select any field & click any property on Object 
inspector, this error popup, click to ignore button then continue, but 
each click any property or change up/down on OI via keyup/keydown same 
error popup
Unable to read file 
"/usr/share/fpcsrc/2.7.1/32:rackinfcl-db/src/base/db.pas"!
retry & ignore button
regards

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