Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 647172f45cc5a9df8a7e40c0a0b43030f6b5dbe763c11111d1569975467f6093:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^