The following error occurs every now and then by calling a function of wmTSA package:

Error in `row.names<-.data.frame`(`*tmp*`, value = c("1", "0")) : 
  invalid 'row.names' length

I would greatly appreciate some guidelines about how to catch such an error upon its occurrence and have it handled by my own routine 
rather than letting R stop the currently run script.
I had a look a the R on-line documentation about errors handler and also ran some provided examples that confused my mind.
The error is in textual form. I do not know whether I have to pass the whole message to the handler.
When such an exception occurs the execution control is not transferred to my routine.
I would like to see a working example.

Thank you so much,
Maura 


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