Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 59e2715db9d35fed0a7726da96c7c7a914c89eb3ab11e8079ae80c52cecad4fe:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^