Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 2684c99ba7cafafa74aac021c390e191b8c651087217f92e648450779dbd9f0d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^