Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 5abc82bb6a96998b93a908926c2dc8c5c48d6b2b7a2092b1d15075e48499cc6d:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^