Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> eec13316e425484e32f61880001d16140f92e14ba954fc8f881f55eb974e0809:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^