Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a1763e03b49d708a6668a78f3d0c614b5e6ceddf66f5d8e2116156bf9a8c277c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^