Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a8093f3f899098f74e868f45d85104c7120e6b81732eccecab6ccc9f700268a1:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^