Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 83a13c50055d446281e9533aabdb2f47e600b9652c5e6f05e35d58f6363f2f80:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^