It doesn't look like an error. It's more of a state e-filling requirement. If you have more than 36 transactions for capital gains on loses, it won't let you file the Michigan return electronically. Instead, you will need to print and mail. If you imported the transactions automatically from the financial institution, usually this will bring all transactions one by one. There is a workaround you can try. Doing this, you will need to delete all transactions and instead enter it manually as a sales summary. Imputing transactions as a sales summary will avoid the one-by-one individual transaction count.
See the link below to enter transactions as a sales summary
Use summary filing