https://communities.sas.com/t5/SAS-Programming/error-in-the-log/m-p/290044#M59953 <P>What SAS interface are you using? It is even possible to do this to yourself in EG by having the dataset open in the data viewer while also running a program/task on the same dataset.&nbsp;</P> Sun, 07 Aug 2016 19:56:32 GMT SASKiwi 2016-08-07T19:56:32Z https://communities.sas.com/t5/SAS-Programming/error-in-the-log/m-p/290014#M59944 <P>Hi,</P><P>I am working on a dataset an dit was going fine. Now, as I access my dataset with libname statement and recoding (which was previosuly going fine) I recevie the following error message in log</P><P><EM>"A lock is not available for PE.MATCHEDATA_21.DATA". What does it mean?<BR /></EM></P><P>&nbsp;</P><P><EM>Thanks</EM></P> Sun, 07 Aug 2016 07:09:00 GMT https://communities.sas.com/t5/SAS-Programming/error-in-the-log/m-p/290014#M59944 wajmsu 2016-08-07T07:09:00Z https://communities.sas.com/t5/SAS-Programming/error-in-the-log/m-p/290017#M59946 <P>Someone/something else is using th dataset and you can't access or overwrite it until they're finished.&nbsp;</P> <P>&nbsp;</P> <P>See some options in this previous thread</P> <P><A href="https://communities.sas.com/t5/SAS-Enterprise-Guide/Ways-to-overcome-the-ERROR-A-lock-is-not-available-for-dataset/td-p/169352" target="_blank">https://communities.sas.com/t5/SAS-Enterprise-Guide/Ways-to-overcome-the-ERROR-A-lock-is-not-available-for-dataset/td-p/169352</A></P> Sun, 07 Aug 2016 07:37:03 GMT https://communities.sas.com/t5/SAS-Programming/error-in-the-log/m-p/290017#M59946 Reeza 2016-08-07T07:37:03Z https://communities.sas.com/t5/SAS-Programming/error-in-the-log/m-p/290044#M59953 <P>What SAS interface are you using? It is even possible to do this to yourself in EG by having the dataset open in the data viewer while also running a program/task on the same dataset.&nbsp;</P> Sun, 07 Aug 2016 19:56:32 GMT https://communities.sas.com/t5/SAS-Programming/error-in-the-log/m-p/290044#M59953 SASKiwi 2016-08-07T19:56:32Z