Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b0831e3be164d9543b7f6a8f383615126c0ec7c489cb9560ea1bfac66d4d7ff4:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^