<html><head></head><body><div class="yahoo-style-wrap" style="font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:13px;"><div dir="ltr" data-setdir="false">Dear Gaters</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">In a GATE (version 8.2) simulation of a PET scanner, I am facing the following error in the terminal for ROOT output:</div><div dir="ltr" data-setdir="false"><div><div><br></div><div>SysError in <TFile::Flush>: error flushing file output/myROOT.root (Input/output error)</div><div>Error in <TBranch::TBranch::WriteBasketImpl>: basket's WriteBuffer failed.</div><div><br></div></div>Surprisingly, the content of the ROOT output seems to be correct while the error message is appearing. It should be noted that there is enough free memory. I would highly appreciate any comment or idea on how to fix such an error. </div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">Hojjat</div></div></body></html>