Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> bb616556e02559015d0009e79299590c3194402c60cbf1beda81964384451998:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^