Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> bd2f43797d3941ab7f85d51590fb5538b469f5467a5f01f97f1775f22eb4f8dc:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^