Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1fc1866a8a75cab0e8156514114d9b7bc01a9132779bbf4dd5290a5367973ce9:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^