EDEN PRAIRIE, Minn. -- The Minnesota Vikings have "no interest at all in trading" receiver Percy Harvin, general manager Rick Spielman said Wednesday, possibly upsetting Harvin further.

After participating in a light walk-through practice on Wednesday morning with his teammates, Harvin wasn't present for the full afternoon practice. Head coach Leslie Frazier declined to go into detail on Harvin's absence and said he wasn't sure if one of the team's most important players would be around for the final day Thursday.

"We're going to talk more in detail," Frazier said. "We have a lot of things to talk about."

Earlier Wednesday, Spielman refused to confirm that Harvin had requested a trade, as sources have confirmed to ESPN.com's John Clayton, but made it clear it would be a moot point regardless.

"We drafted Percy Harvin here," Spielman said. "He's a key part of our organization. He's a key part of our football team. Any issues that are out there or reported, we always handle those internally and continue to handle those internally."

Spielman wouldn't shed any light on what Harvin said were multiple issues that have upset him this offseason. But Spielman did say he has spoken with Harvin's agent, Joel Segal.

Harvin voiced frustration with the Vikings on Tuesday at the first day of mandatory minicamp. He did not say what his specific issues were with the team, only saying he was unhappy with several things and wanted them addressed before training camp begins at the end of July.

"I just put it this way: There's a lot of different things that have to be sorted out," Harvin said Tuesday. "Just haven't been really happy lately. We've got a couple of things to work on. I'm here in the classroom. We'll go from there."

Harvin is due to make $915,000 in the fourth year of a five-year rookie deal. That total is much lower than veterans Michael Jenkins and Jerome Simpson, with neither coming close to his production on the field.

Spielman would not say if money was an issue, but also reiterated the organization's approach to signing players to extensions.

"Our philosophy has always been as players enter the last year of their contract, we have a history of extending players going into the last year of their contract," Spielman said. "And that's been our history."

Harvin took to Twitter on Wednesday night to address the issue, but would only say that it was not related to money.

"Fans I said I have issues to be worked out money not at all being the problem...I've dne everything asked and more...," he wrote.

Harvin left the practice field Wednesday morning before reporters could ask any questions. Running back Adrian Peterson said he hadn't spoken to his friend about it but planned to have a conversation to try to help smooth things over.

"I wouldn't say it's distracting. It's more bothering. It's like, we definitely don't want to lose this guy. ... I'm sure the organization will do what it has to do to keep this guy around," Peterson said. "If it was me, I would make sure that we kept him around. But we'll see."

Harvin, who is recovering from offseason shoulder surgery, said Tuesday he did not want to be a distraction and would only talk about football issues.