Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 71dc0c3181f76093b1360d111818c06a440c4eea9b94aa000c9825361cd1a9b2:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^