Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d8a7e63adfa0a15325ad8bdb1179944eeedbe58b899d4e85a77b3fac29b375e0:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^