Error compiling ble_app_beaconhttps://devzone.nordicsemi.com/f/nordic-q-a/6164/error-compiling-ble_app_beaconI&#39;m trying to compile the ble_app_beacon_s110_pca20006 project in Kile uVision5 and I get the &quot;cannot open source input file &quot;core_cm0.h&quot;: No such file or directory&quot; error. I verified that ARM:CMSIS pack exists. I&#39;m running a Windows 8 virtual machineen-USTelligent Community 13Sun, 14 Jun 2015 17:59:24 GMTRE: Error compiling ble_app_beaconhttps://devzone.nordicsemi.com/thread/21591?ContentTypeID=1Sun, 14 Jun 2015 17:59:24 GMT137ad170-7792-4731-bb38-c0d22fbe4515:b7a673d2-01c2-4a1d-b048-59ac5971be79Pektusin<p>SDK contains that file too: nRF51_SDK_8.1.0_b6ed55f\components\toolchain\gcc\core_cm0.h But it is different to C:\Keil_v5\ARM\Pack\ARM\CMSIS\4.2.0\CMSIS\Include\core_cm0.h.</p> <p>Which one is supposed to be used?</p><div style="clear:both;"></div>RE: Error compiling ble_app_beaconhttps://devzone.nordicsemi.com/thread/21587?ContentTypeID=1Mon, 13 Apr 2015 07:01:17 GMT137ad170-7792-4731-bb38-c0d22fbe4515:1f4f6375-aad4-46e7-93b0-a9c1079e2af3FormerMember<p><a href="http://www.jaalee.com/">http://www.jaalee.com/</a></p><div style="clear:both;"></div>RE: Error compiling ble_app_beaconhttps://devzone.nordicsemi.com/thread/21590?ContentTypeID=1Mon, 23 Mar 2015 00:22:35 GMT137ad170-7792-4731-bb38-c0d22fbe4515:27f60514-01f1-4e4a-858a-23983a8fdf5aSarah<p>For other people who might run into the same problem this is what I did:</p> <p>I clicked on &quot;Options for target&quot; button, went into C/C++ tab and then added &quot;C:\Keil_v5\ARM\Pack\ARM\CMSIS\4.2.0\CMSIS\Include&quot; at the end of the other paths in the include paths text box .</p><div style="clear:both;"></div>RE: Error compiling ble_app_beaconhttps://devzone.nordicsemi.com/thread/21589?ContentTypeID=1Mon, 23 Mar 2015 00:21:18 GMT137ad170-7792-4731-bb38-c0d22fbe4515:9e99d450-1837-4c13-8d4d-c96de2521fc4Sarah<p>That worked! Thanks so much!</p><div style="clear:both;"></div>RE: Error compiling ble_app_beaconhttps://devzone.nordicsemi.com/thread/21588?ContentTypeID=1Sun, 22 Mar 2015 23:44:51 GMT137ad170-7792-4731-bb38-c0d22fbe4515:457d0402-44c6-440a-a1df-0086fcb796a0RK<p>So look at the actual compile line and fix your include path to have the right directory in it.</p><div style="clear:both;"></div>