All errors

Solidity panics

“panic code 0x51”

Also appears as: “Panic(81)”, “uninitialized function pointer”

What it means

The contract called an internal function variable that was never set. This is purely a contract bug: no user input causes it.

How to fix it

Report the transaction hash to the protocol. There is no user-side fix.

More solidity panics errors

panic code 0x11

panic code 0x12

panic code 0x32

panic code 0x01

For the full walkthrough of why transactions fail, read the complete error guide.