Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d4e9ce0840dcba7c5ce939e63eac4f8db7f636465e97ba9853f5e702cd19a91b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^