Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 6a6bfff61cc2d87a0a9d824c6e3b4a5e37ec2faef7d66a0352c79bbf881d9b5e:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^