Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c4121b61a7070c20f0bfabf2c103462034d935316bd212ff563ed43f4c19a1c1:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^