Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 675c0d3e956b0e273ca0fdeefff835d41ead0a62d3ed4b6ab199a066668bf325:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^