Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> cac7e556ba6d0d0522f04d8ea84c914878ed8a2aae389f0ce1ed2253d4da44f5:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^