Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 3b4cf80588bbccb5d48635ced98f9620c1dc45fafd7f5cef3153c940ed61cd5d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^