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<p class="MsoNormal"><font size="1" color="navy" face="Arial"><span lang="IT" style="font-size:9.0pt;font-family:Arial;color:navy">DA,
<o:p></o:p></span></font></p>
<p class="MsoNormal"><font size="1" color="navy" face="Arial"><span lang="IT" style="font-size:9.0pt;font-family:Arial;color:navy"><o:p>&nbsp;</o:p></span></font></p>
<p class="MsoNormal"><font size="1" color="navy" face="Arial"><span lang="EN-US" style="font-size:9.0pt;font-family:Arial;color:navy">Do you happen to know what may cause this error?<o:p></o:p></span></font></p>
<p class="MsoNormal"><font size="1" color="navy" face="Arial"><span lang="EN-US" style="font-size:9.0pt;font-family:Arial;color:navy">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &#8220;[0]PETSC ERROR: PetscFinalize() line 968 in src/sys/objects/pinit.c&#8221;<o:p></o:p></span></font></p>
<p class="MsoNormal"><font size="1" color="navy" face="Arial"><span lang="EN-US" style="font-size:9.0pt;font-family:Arial;color:navy"><o:p>&nbsp;</o:p></span></font></p>
<p class="MsoNormal"><font size="1" color="navy" face="Arial"><span lang="EN-US" style="font-size:9.0pt;font-family:Arial;color:navy">After reporting this error, the job can run continued, but it will aborted when encountering next petsc related features even
 with calling PetscInitialize() again, and say:<o:p></o:p></span></font></p>
<p class="MsoNormal"><font size="1" color="navy" face="Arial"><span lang="EN-US" style="font-size:9.0pt;font-family:Arial;color:navy">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &#8220;Options have not been enabled.<o:p></o:p></span></font></p>
<p class="MsoNormal"><font size="1" color="navy" face="Arial"><span lang="EN-US" style="font-size:9.0pt;font-family:Arial;color:navy">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; You might have forgotten to call PetscInitialize().&#8221;<o:p></o:p></span></font></p>
<p class="MsoNormal"><font size="1" color="navy" face="Arial"><span lang="EN-US" style="font-size:9.0pt;font-family:Arial;color:navy"><o:p>&nbsp;</o:p></span></font></p>
<p class="MsoNormal"><font size="1" color="navy" face="Arial"><span lang="EN-US" style="font-size:9.0pt;font-family:Arial;color:navy">Here is line 968:<o:p></o:p></span></font></p>
<p class="MsoNormal"><font size="1" color="navy" face="Arial"><span lang="EN-US" style="font-size:9.0pt;font-family:Arial;color:navy">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></font><font size="1" color="blue" face="Arial"><span lang="IT" style="font-size:9.0pt;font-family:
Arial;color:blue">ierr = MPI_Finalize();CHKERRQ(ierr);<o:p></o:p></span></font></p>
<p class="MsoNormal"><font size="1" color="navy" face="Arial"><span lang="IT" style="font-size:9.0pt;font-family:Arial;color:navy"><o:p>&nbsp;</o:p></span></font></p>
<p class="MsoNormal"><font size="1" color="navy" face="Arial"><span lang="IT" style="font-size:9.0pt;font-family:Arial;color:navy">Thanks,<o:p></o:p></span></font></p>
<p class="MsoNormal"><font size="1" color="navy" face="Arial"><span lang="IT" style="font-size:9.0pt;font-family:Arial;color:navy">Debao<o:p></o:p></span></font></p>
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