Hi,
If you're using a SVN revision prior to rev. 504, this should give you a clue:
2015-06-03_23:15:07.890780 <mbts:GOON> OpenBTS.cpp:151:startTransceiver: cannot find ./transceiver-bladerf
Possible causes for this:
* you don't have the development version of bladerf or libusb1, so the transceiver was not compiled. Check where you compiled YateBTS that you have the compiled transceiver-bladerf (it should be in mbts/TransceiverRAD1). If you don't have it, run the configure script again and look for the lines that say if it detected support for it or not.
* you didn't configure the correct path to the transceiver-bladerf. Check again the path to the installed transceiver-bladerf and make sure you have configured it correctly in ybts.conf.
If you're using SVN revision 504 or upwards, you don't need bladerf-devel anymore. Just make sure that you use the latest Yate also and that you have libusb1-devel.