Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a67ed2af65f26fbfb029142569466f8deae6ef53077c054eb93cfff0807896af:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^