Hi,

I'm getting this error with string type variables using gnuradio 3.7.5 and
I cannot figure out how to solve it. I'm using a normal variable plus a
config variable in this way:

Variable:
   id: variable_A
   value: config_variable_A

Variable Config:
   id: config_variable_A
   ...
   WriteBack: variable_A


This way the variable reads the config file at the start and the variable
config writes the latest value of the variable at the end. It works very
well with Integers.

When I change the Config variable type to "String" and I generate the flow
graph, I get the error:

Generate Error: circular dependency caught in sort_variables

Could anyone please help me to get this behaviour for a String type
variable please?

Thank you,
Murray
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