Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ba51e651a2dddcd7966e05e4de85fe929b37bb5d3b4ba84c45dccb13ff266cdb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^