Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 09b81e25d289dd23cf830be8e1966ce44b695776309b7aa763efb8f03ca1ae14:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^