Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a7d6c71b6ba6415af74b6f11e37a2205161cd05617dcae156e86f7483895a75c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^