Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 67a20f007e29c52be6a68a740a895089123c284448602da712bb81e5838bbed3:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^