Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4f4097974e956e339e5d1cd34437cd8f280c62da3486620a70505fa22f11b2f4:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^