Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7015bb71953156736edafda872697218b1b4844cfccf7f7c851902accb121c85:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^