Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c468a873b97c2ad13b2ba7d8a0441af37a8a6221b311d7b09f3428d31248c81f:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^