Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b94580907754eeb118edda51d85c3d3411569914d547b0ad1b63361af109314f:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^