Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 8388bfe5ae22e22d6fe9be7cf3721d84be615674917d2912c4db60b25302d6eb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^