Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 3eeede063ce7cbdb7b0681f867619043a6be79834ec7c39e7edf75f6aea5df9e:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^