Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 556ccb0fc15527cf7be317738132c6491238908afb6f6d422ad9b877e8ffbc1d:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^