Enable/disable tick of operator

I am working on a feature that requires to enable/disable tick of one operator whenever we want.

I added ForwardOp since we need to connect to FormatConverter so it can tick.

Only when adding to the ouput port of ForwardOp
condition(holoscan::ConditionType::kNone)

App is crashing and showing this error:

[error] [entity_executor.cpp:546] Failed to sync outbox for entity: fragment2__forward code: GXF_EXCEEDING_PREALLOCATED_SIZE

ForwardOp emits message on output port what gets on input port, nothing else.

Operator 1 has only input port with condition(holoscan::ConditionType::kNone) and it will not emit anything or it will not have any output port.

Any suggestions how can we implement this ?

This is a diagram what I am trying to achieve.