Get transaction by address. Address is of invalid length

Hello !
I was going to get transaction for main address but i received this error 000000000000000000000000000000000000000000000000000000000a550c18 is of invalid length.
Can anybody help me, what did happen with addresses?

Addresses used to be 32 bytes and are now 16 bytes: Testnet Push Announcement for 3/25.

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