Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b54cd6514d745e287a042259f21326b1545dcd5df62219b9e46fac66b1b1508b:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^