Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 2ac190159a8b2e6fd0dff35b8ad4c26acd422054082c9d7175b8973c34f28ce0:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^