Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 504a007b1307fd06cf7e5ca677392134c7b7d7ac71efc98ec2a7a734c70f77b2:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^