CODE_ERROR

There is an error in the cadence code of this transaction.

[Error Code: 1101] cadence runtime error Execution failed: error: underflow --> b4a3bc700d4cfa3010328c80df6b4161a0acc3fd3ae793591afff84a398bdd37:28:8 | 28 | let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^