Every time I try to open the Names List on Recorder it fails. I get a message 'An unhandled error has occurred in the application'.

The error log includes the following (this is just the top section of the erro report);

date/time         : 2024-01-30, 16:05:19, 672ms
computer name     : ASSISTANT-LENOV
user name         : Office
registered owner  : Office
operating system  : Windows NT New x64 build 9200
system language   : English
system up time    : 20 days 20 hours
program up time   : 12 minutes 37 seconds
processors        : 2x Intel(R) Pentium(R) CPU G630 @ 2.70GHz
physical memory   : 1031/3944 MB (free/total)
free disk space   : (C:) 331.82 GB
display mode      : 1536x864, 32 bit
process id        : $1b80
allocated memory  : 55.19 MB
command line      : RecorderApp.exe /11406858
executable        : RecorderApp.exe
exec. date/time   : 2019-12-30 18:12
version           : 6.30.0.291
compiled with     : Delphi 7
madExcept version : 3.0n
callstack crc     : $e7922dba, $2b7eac3d, $2b7eac3d
exception number  : 1
exception class   : EVariantTypeCastError
exception message : Could not convert variant of type (Null) into type (String).

Can anyone advise what the issue is? Thanks.