Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 939954796689a4d4a06f3978820114be04200d6fce77ef253251edc1c2ba0956:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^