Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> f7cd6d431b09df53859fd8347ea3e25c59eea6cab009e25ec280a5fbb703dc83:14:28
   |
14 |                             let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^