[Opt 31-67] Problem: - what does this mean?

Hi All,
VIVADO 2015.2, Linux x64, Microblaze core is on the canvas (not generated stand-alone) with typical settings that were NEVER modified. This following error popped up in the very last synthesis I have made.
[Opt 31-67] Problem: A LUT3 cell in the design is missing a connection on input pin I2, which is used by the LUT equation. This pin has either been left unconnected in the design or the connection was removed due to the trimming of unused logic. The LUT cell name is: system_i/mb_mba/U0/MicroBlaze_Core_I/Performance.Core/Data_Flow_I/Operand_Select_I/LOCKSTEP_Master_Out[0]_INST_0_i_3.
Thank you
Vlad

Hi Deepika,
I think I have found the cause of the issue. Sigh... It has to do with the other post I made earlier, a boolean IPI parameter for Verilog designs.
Because of that issue, I have hard-coded the parameter in the HDL instead of making it an IPI, and it caused a cloud of logic to be removed from the IP, leaving a dangling connection, which of course cause this issue.
Thanks for your response
Vlad

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[Opt 31-67] Problem: - what does this mean?

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