Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 9298622ca47b23ea40980617a1488a5ce4ce4e6639ed5b42f8a1219bf2742586:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^