Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 18ad63b6ddf78c646bf63df0de7fcb3121530cfb7f6f642a99a5943dc9404cd7:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^