Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> bf2cf150170bc8181cc37b73136b1bb37c75ffc4c1bf575d212db97ea5f63ae1:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^