Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7804bd869c90e310633ef7860a2650663f87e9a138e970fef748cb9f053b0dca:14:32
   |
14 |                                 let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^