Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 07f7c25db9610c400c066cb685661e170fdd49bbc241f1bc157cabcd8dafd58f:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^