Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 19452903f2b3562205c74330f3c3baf5249cf0e540d02fc4a6a6e9dcf7794ed4:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^