Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 3965cc92fa5a2ee45730dafc0e44c1af1b9e36ffe4ada6f9024f7bfac3a9cf8f:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^