Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a78c69db46a0eeb3f28209982cbeaedbdf33575054a86bbdba0c4b0fb959ef70:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^