Hello,
The diagnosis file shows the error below when I use the time- and space-varying wind on an equidistant grid format,
even with the same computational grid that worked well with different external forcing input such as spider-web.
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** WARNING: ERROR: Looking for ncols (arc-info), but getting: FileVersion = 1.03
** ERROR  : flow_initexternalforcings: Error while initializing quantity: windx Check preceding log lines for details.
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(but log file shows nothing)

Have you experienced such errors?
I would appreciate it if you can share any ideas or check if the attached files have anything wrong.

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I've found how to deal with this.
This can be solved by inserting three comments lines before the input information of each file (.amu, .amv, and .amp),
because it is sensitive to the number of lines of the header to be initialized.
For example: 
### Start of Header
### This file is created by ...
### Additional comments
FileVersion = 1.03
...
unit1 = m s-1
### End of Header
TIME = 0 minutes since 0000-00-00 00:00:00 +00:00
...