Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 506ba5e2987322f4208430f130ed31f77d01f8b7c595ad3d886a441ea0ce81d4:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^