Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7b88c79124ec29bf347a88701dfc84dc76276ff2b6b7e365879844897ecdb641:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^