Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ecb4f7a56b44009f43a51be522c9c425b8aeb9699eb135566d1ed8e1c8d6085a:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^