Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 80996f31558f9b2f2a51d1f0a1fefbb7ebafc43be928b9a9a6eaab033c090e36:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^