CODE_ERROR

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

[Error Code: 1101] cadence runtime error Execution failed: error: underflow --> fd85acc29ce656eb1ae9f2f66b4b599d3bd4f35231d991d5c33c00f7da78dd3c:14:8 | 14 | let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^