Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a375c250959a4d78d836cdeb2b3246c2ab7bd12aec196a1b67fc9e7dbd6339e3:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^