Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> acd90dfd8ada976fd722abcfcf50b926136906c0fc7aa92a684d9c12fbc9c43c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^