Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 56f75e27b476a9eb7bdfc6b41e263f2b11664db34fc10250f5dc8a73b661ebdf:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^