Not sure how many are facing rent issues, but this article is very much on point. It's Canadian in origin but much of what it says will apply in USA / Europe too.
https://www.retail-insider.com/retail-insider/2020/3/covid-19-and-commercial-leases-in-canada-expert-insight
Remember, there's an argument to be made that it's not only the tenant who is in breach of the lease, but also the landlord. While it's on us tenants to pay rent, it's also on the landlords to provide a premises in which a business such as ours is legal to operate, and currently in many jurisdictions they can not do that. Don't agree to any rent deferrals or agreements until you've spoken to lawyers and are sure how to proceed.
https://www.retail-insider.com/retail-insider/2020/3/covid-19-and-commercial-leases-in-canada-expert-insight
Remember, there's an argument to be made that it's not only the tenant who is in breach of the lease, but also the landlord. While it's on us tenants to pay rent, it's also on the landlords to provide a premises in which a business such as ours is legal to operate, and currently in many jurisdictions they can not do that. Don't agree to any rent deferrals or agreements until you've spoken to lawyers and are sure how to proceed.