Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a2ec0a3f0ad149768d44404663b890c43cb5bc7bef120133d38eb29f255539dd:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^