South Carolina's comptroller is stepping down in the wake of a multi-billion dollar accounting error. 

State Comptroller General Richard Eckstrom issued a short statement to Gov. Henry McMaster on Thursday announcing his resignation following a $3.5 billion mistake in the state's finances.

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"I have never taken service to the state I love or the jobs to which I have been elected lightly, endeavoring to work with my colleagues, from constitutional officers to members of the General Assembly, to be a strong defender of the taxpayer and a good steward of their hard-earned dollars," Eckstrom wrote, according to The Associated Press.

Eckstrom's resignation will take effect on April 30.

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The 74-year-old seasoned public accountant told senators in March he unintentionally exaggerated the state's cash position by $3.5 billion by overstating the amount sent to colleges and universities for approximately a decade, according to The Associated Press.

Eckstrom previously stated he had no intentions of resigning over the mistake.

Though the error was not in actual cash, it affects the way the state reports its balance sheets and could negatively impact South Carolina's credit rating. 

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The error has also eroded confidence that many lawmakers across party lines had in the seasoned accountant, The AP reported.

Eckstrom has been in his position for 20 years and spent four years during the 90s as the state treasurer.

Fox News' Elizabeth Pritchett contributed to this report.