Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 0530863917c61fc5347520f430ef7a74d4b6940a3b0ac8f81dfb2de1d7625b9f:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^