Compilation error L2310

Hi Rulzists,

After verifying all dependencies of my project, I had got this error :

L2310 (E) Undefined external symbol " _getTheta " referenced in "C:

Concerninig my environment tools, is described as follow :

*! Device : R5F563T6
*! Tool-Chain : RX Family C Compiler 1.2.1.0
*! H/W Platform : RSKRX63T
*! Environment : High performance Embedded Workshop
*! Version : 4.09.01.007

Thank you in advance for any suggestions.

peAce