Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c62d952197f256d96dbd0faec4c71344ba666923b2e939d82c22dcbbd01461af:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^