Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 218a3f1ca51ecabc8f3b73ed503900223026094bd97b0bde9338b1be880d799b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^