Error - (EQLIB/indath) Have wrong file header "ckup "

[Chensons]

(base) [hy38185@master eq3_6]$ ls
data1 input input.3ib input.3o input.6ib input.6o

(base) [hy38185@master eq3_6]$ /vol01/homes/hy38185/Software/eq3_6/bin/eq3nr data1 input

EQ3/6, Version 8.0a (EQ3/6-V8-REL-V8.0a-PC)
EQ3NR Speciation-Solubility Code (EQ3/6-V8-EQ3NR-EXE-R43a-PC)
Supported by the following EQ3/6 libraries:
EQLIB (EQ3/6-V8-EQLIB-LIB-R43a-PC)
EQLIBG (EQ3/6-V8-EQLIBG-LIB-R43a-PC)
EQLIBU (EQ3/6-V8-EQLIBU-LIB-R43a-PC)

Copyright (c) 1987, 1990-1993, 1995, 1997, 2002 The Regents of the
University of California, Lawrence Livermore National Laboratory.
All rights reserved.

This work is subject to additional statements and
disclaimers which may be found in the README.txt file
included in the EQ3/6 software transmittal package.

Run 22:57:24 21Mar2024

Reading the data1 file header section ...

• Error - (EQLIB/indath) Have wrong file header "ckup "
  on the data1 file. The first five characters must be "data1".