Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 487c99f4c5cc81a055877d2cf0f0896ae57b4aac6c5bee0f74a201d9e243dfdd:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^