Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 3631aabdfc132944de4b6ec6360b2556facf5beab239c477d0fbd823194305c1:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^