Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 9d2d368b18721ddd62a937698c5414d4bf695dffd457592da2d1385896ec2d82:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^