Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c3c469004b326f7f4dcf94b1228d2c4fad7b4274e30410852853fe3aba75d89c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^