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["" <xzp02@mails.tsinghua.edu.cn>]

Dear All:
    I have runned a elastic constants calculation on a 3D structure, I set 
elaflag   2
instrflag 1
in the anaddb input file, but anaddb reports these errors:
----------------------------------------------------
 Calculation of the elastic and compliances tensor
-begin at tcpu      0.560   and twall      0.616sec
anaddb:elaflag=1,so extract the elastic constant from the 2DTE
 gtblk9 : enter gtblk9
 gtblk9 : found blok number     1 agree with specifications
 Elastic Tensor(relaxed ion)(Unit:10^2GP,VOIGT notation):
        -nan        -nan        -nan        -nan        -nan        -nan
        -nan        -nan        -nan        -nan        -nan        -nan
        -nan        -nan        -nan        -nan        -nan        -nan
        -nan        -nan        -nan        -nan        -nan        -nan
        -nan        -nan        -nan        -nan        -nan        -nan
        -nan        -nan        -nan        -nan        -nan        -nan
 matrginv : BUG -
  The matrix that has been passed in argument of this subroutine
  is probably either singular or nearly singular.
  Action : contact ABINIT group.

 Delivered    4 WARNINGs and   9 COMMENTs to log file.
--------------------------------------------------------------
     I am wondering why it reports elaflag=1 for I have set it to be 2. The 
LOG
and DDB file is attached as .gz files.
     Can anyone tell me what's the reason? thanks a lot

ZP

Attachment: DS2_DDB.gz
Description: application/gzip-compressed

Attachment: anaddb.log.gz
Description: application/gzip-compressed