Initially, the Russian ruble was valid together with the Rumanian currency. According to a newspaper report the ruble was supposed to be exchanged for lei by October 6, 1920.
The Rumanian currency was called leu and lei in the plural. (1 leu = 100 bani)
dokuwiki\Exception\FatalException: Declaration of GuzzleHttp\Psr7\Request::getRequestTarget() must be compatible with Psr\Http\Message\RequestInterface::getRequestTarget(): string
dokuwiki\Exception\FatalException: Declaration of GuzzleHttp\Psr7\Request::getRequestTarget() must be compatible with Psr\Http\Message\RequestInterface::getRequestTarget(): string
An unforeseen error has occured. This is most likely a bug somewhere. It might be a problem in the authgooglesheets plugin.
More info has been written to the DokuWiki error log.