Use of uninitialized value $iden in numeric lt (<) at /home/data/ycy/sofw/EDTA/util/TE_purifier.pl line 184.

[CongyangY]

Hi, when I use the EDTA.pl to annotate the plant genome, I found the run log print many similar errors like this:

Sun Feb 25 12:13:23 CST 2024    Perform EDTA advance filtering for raw TE candidates and generate the stage 1 library:

Use of uninitialized value $iden in numeric lt (<) at /home/data/ycy/sofw/EDTA/util/TE_purifier.pl line 184.
Use of uninitialized value $iden in numeric lt (<) at /home/data/ycy/sofw/EDTA/util/TE_purifier.pl line 184.
Use of uninitialized value $len in numeric lt (<) at /home/data/ycy/sofw/EDTA/util/TE_purifier.pl line 184.
Use of uninitialized value $iden in numeric lt (<) at /home/data/ycy/sofw/EDTA/util/TE_purifier.pl line 184.
Use of uninitialized value $iden in numeric lt (<) at /home/data/ycy/sofw/EDTA/util/TE_purifier.pl line 184.
Use of uninitialized value $iden in numeric lt (<) at /home/data/ycy/sofw/EDTA/util/TE_purifier.pl line 184.
Use of uninitialized value $iden in numeric lt (<) at /home/data/ycy/sofw/EDTA/util/TE_purifier.pl line 184.
Use of uninitialized value $iden in numeric lt (<) at /home/data/ycy/sofw/EDTA/util/TE_purifier.pl line 184.
Use of uninitialized value $len in numeric lt (<) at /home/data/ycy/sofw/EDTA/util/TE_purifier.pl line 184.
Use of uninitialized value $iden in numeric lt (<) at /home/data/ycy/sofw/EDTA/util/TE_purifier.pl line 184.
Use of uninitialized value $len in numeric lt (<) at /home/data/ycy/sofw/EDTA/util/TE_purifier.pl line 184.
Use of uninitialized value $len in numeric lt (<) at /home/data/ycy/sofw/EDTA/util/TE_purifier.pl line 184.
Use of uninitialized value $iden in numeric lt (<) at /home/data/ycy/sofw/EDTA/util/TE_purifier.pl line 184.
Use of uninitialized value $iden in numeric lt (<) at /home/data/ycy/sofw/EDTA/util/TE_purifier.pl line 184.
Use of uninitialized value $iden in numeric lt (<) at /home/data/ycy/sofw/EDTA/util/TE_purifier.pl line 184.
Use of uninitialized value $iden in numeric lt (<) at /home/data/ycy/sofw/EDTA/util/TE_purifier.pl line 184.
Use of uninitialized value $len in numeric lt (<) at /home/data/ycy/sofw/EDTA/util/TE_purifier.pl line 184.
Use of uninitialized value $iden in numeric lt (<) at /home/data/ycy/sofw/EDTA/util/TE_purifier.pl line 184.
Use of uninitialized value $iden in numeric lt (<) at /home/data/ycy/sofw/EDTA/util/TE_purifier.pl line 184.
Use of uninitialized value $len in numeric lt (<) at /home/data/ycy/sofw/EDTA/util/TE_purifier.pl line 184.
Use of uninitialized value $iden in numeric lt (<) at /home/data/ycy/sofw/EDTA/util/TE_purifier.pl line 184.
Use of uninitialized value $iden in numeric lt (<) at /home/data/ycy/sofw/EDTA/util/TE_purifier.pl line 184.

And the step has been running about four days,I don't know if it is correct, and if I should do some fixes to avoid the output of this error message?