You' re right.

I was wrong just because I think that Tie should manage also inner hash. Now it's all more clear and I fix my program so it now works as expected.

Thanks to everyone.

In reply to Re^4: FATAL ERROR: Can't use string ("HASH(0x875fffc)") as a HASH ref while "strict refs" in use at by earlati2
in thread FATAL ERROR: Can't use string ("HASH(0x875fffc)") as a HASH ref while "strict refs" in use at by earlati2

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