tv.so-net.ne.jp.ini expiry period ended

[ Info ] found: C:\XXXXXXXXXXXXXXXXXXXXXXXXXX\WebGrab+Plus\siteini.pack\Japan\tv.so-net.ne.jp.ini -- Revision 02
[ Info ] encrypted with userkey and expiry date in 'new (V3)' mode
[Warning ] Unable to decrypt!!
[Error ] tv.so-net.ne.jp.ini expiry period ended on 15/04/2021
[Error ] and cannot be used for grabbing anymore
[Error ] A request for an expiry period renewal can be posted on http://www.webgrabplus.com/forum

No idea what is meant by this but seems that an encryption key requires updating.

Please and thank you.

zeusrw