Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a4fff971ec4130c5220b5e35ce1c2b89b66d2e41ba745bf87ea9fbef94f56337:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^