Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 18e09d2158e58848aea16dda6fd9e6be11027265b2f689bf6dd872376669f648:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^